From d810fc29c94417450d83f431610a78caf4e47340 Mon Sep 17 00:00:00 2001
From: retoor <retoor@molodetz.nl>
Date: Mon, 2 Dec 2024 14:21:44 +0100
Subject: [PATCH] Added rlib.h

---
 rlib.h | 8448 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 8448 insertions(+)
 create mode 100644 rlib.h

diff --git a/rlib.h b/rlib.h
new file mode 100644
index 0000000..9151891
--- /dev/null
+++ b/rlib.h
@@ -0,0 +1,8448 @@
+// RETOOR - Nov 28 2024
+// MIT License
+// ===========
+
+// Copyright (c) 2024 Retoor
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+#ifndef RLIB_H
+#define RLIB_H
+// BEGIN OF RLIB
+
+/*
+ * Line below will be filtered by rmerge
+<script language="Javva script" type="woeiii" src="Pony.html" after-tag="after
+tag" />
+*/
+
+#ifndef RTYPES_H
+#define RTYPES_H
+#ifdef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE_TEMP _POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#endif
+#ifndef _POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200112L
+#endif
+#include <stdbool.h>
+#include <stdint.h> // uint
+#include <string.h>
+#include <sys/types.h> // ulong
+#ifndef ulonglong
+#define ulonglong unsigned long long
+#endif
+#ifndef uint
+typedef unsigned int uint;
+#endif
+#ifndef byte
+typedef unsigned char byte;
+#endif
+#ifdef _POSIX_C_SOURCE_TEMP
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE _POSIX_C_SOURCE_TEMP
+#undef _POSIX_C_SOURCE_TEMP
+#else
+#undef _POSIX_C_SOURCE
+#endif
+#endif
+
+#ifndef NSOCK_H
+#define NSOCK_H
+#ifndef RMALLOC_H
+#define RMALLOC_H
+#ifndef RMALLOC_OVERRIDE
+#define RMALLOC_OVERRIDE 1
+#endif
+#ifdef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE_TEMP _POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#endif
+#ifndef _POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200112L
+#endif
+#ifndef ulonglong
+#define ulonglong unsigned long long
+#endif
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifndef RTEMP_H
+#define RTEMP_H
+#include <pthread.h>
+#ifndef RTEMPC_SLOT_COUNT
+#define RTEMPC_SLOT_COUNT 20
+#endif
+#ifndef RTEMPC_SLOT_SIZE
+#define RTEMPC_SLOT_SIZE 1024 * 64 * 128
+#endif
+
+bool _rtempc_initialized = 0;
+pthread_mutex_t _rtempc_thread_lock;
+bool rtempc_use_mutex = true;
+byte _current_rtempc_slot = 1;
+char _rtempc_buffer[RTEMPC_SLOT_COUNT][RTEMPC_SLOT_SIZE];
+char *rtempc(char *data) {
+
+    if (rtempc_use_mutex) {
+        if (!_rtempc_initialized) {
+            _rtempc_initialized = true;
+            pthread_mutex_init(&_rtempc_thread_lock, NULL);
+        }
+
+        pthread_mutex_lock(&_rtempc_thread_lock);
+    }
+
+    uint current_rtempc_slot = _current_rtempc_slot;
+    _rtempc_buffer[current_rtempc_slot][0] = 0;
+    strcpy(_rtempc_buffer[current_rtempc_slot], data);
+    _current_rtempc_slot++;
+    if (_current_rtempc_slot == RTEMPC_SLOT_COUNT) {
+        _current_rtempc_slot = 0;
+    }
+    if (rtempc_use_mutex)
+        pthread_mutex_unlock(&_rtempc_thread_lock);
+    return _rtempc_buffer[current_rtempc_slot];
+}
+
+#define sstring(_pname, _psize)                                                                                                            \
+    static char _##_pname[_psize];                                                                                                         \
+    _##_pname[0] = 0;                                                                                                                      \
+    char *_pname = _##_pname;
+
+#define string(_pname, _psize)                                                                                                             \
+    char _##_pname[_psize];                                                                                                                \
+    _##_pname[0] = 0;                                                                                                                      \
+    char *_pname = _##_pname;
+
+#define sreset(_pname, _psize) _pname = _##_pname;
+
+#define sbuf(val) rtempc(val)
+#endif
+#ifdef _POSIX_C_SOURCE_TEMP
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE _POSIX_C_SOURCE_TEMP
+#undef _POSIX_C_SOURCE_TEMP
+#else
+#undef _POSIX_C_SOURCE
+#endif
+ulonglong rmalloc_count = 0;
+ulonglong rmalloc_alloc_count = 0;
+ulonglong rmalloc_free_count = 0;
+ulonglong rmalloc_total_bytes_allocated = 0;
+
+void *_rmalloc_prev_realloc_obj = NULL;
+size_t _rmalloc_prev_realloc_obj_size = 0;
+
+void *rmalloc(size_t size) {
+    void *result;
+    while (!(result = malloc(size))) {
+        fprintf(stderr, "Warning: malloc failed, trying again.\n");
+    }
+    rmalloc_count++;
+    rmalloc_alloc_count++;
+    rmalloc_total_bytes_allocated += size;
+    return result;
+}
+void *rcalloc(size_t count, size_t size) {
+    void *result;
+    while (!(result = calloc(count, size))) {
+        fprintf(stderr, "Warning: calloc failed, trying again.\n");
+    }
+    rmalloc_alloc_count++;
+    rmalloc_count++;
+    rmalloc_total_bytes_allocated += count * size;
+    return result;
+}
+void *rrealloc(void *obj, size_t size) {
+    if (!obj) {
+        rmalloc_count++;
+    }
+
+    rmalloc_alloc_count++;
+    if (obj == _rmalloc_prev_realloc_obj) {
+        rmalloc_total_bytes_allocated += size - _rmalloc_prev_realloc_obj_size;
+        _rmalloc_prev_realloc_obj_size = size - _rmalloc_prev_realloc_obj_size;
+
+    } else {
+        _rmalloc_prev_realloc_obj_size = size;
+    }
+    void *result;
+    while (!(result = realloc(obj, size))) {
+        fprintf(stderr, "Warning: realloc failed, trying again.\n");
+    }
+    _rmalloc_prev_realloc_obj = result;
+
+    return result;
+}
+
+char *rstrdup(const char *s) {
+    if (!s)
+        return NULL;
+
+    char *result;
+    size_t size = strlen(s) + 1;
+
+    result = rmalloc(size);
+    memcpy(result, s, size);
+    rmalloc_total_bytes_allocated += size;
+    return result;
+}
+void *rfree(void *obj) {
+    rmalloc_count--;
+    rmalloc_free_count++;
+    free(obj);
+    return NULL;
+}
+
+#if RMALLOC_OVERRIDE
+#define malloc rmalloc
+#define calloc rcalloc
+#define realloc rrealloc
+#define free rfree
+#define strdup rstrdup
+#endif
+
+char *rmalloc_lld_format(ulonglong num) {
+
+    char res[100];
+    res[0] = 0;
+    sprintf(res, "%'lld", num);
+    char *resp = res;
+    while (*resp) {
+        if (*resp == ',')
+            *resp = '.';
+        resp++;
+    }
+    return sbuf(res);
+}
+
+char *rmalloc_bytes_format(int factor, ulonglong num) {
+    char *sizes[] = {"B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"};
+    if (num > 1024) {
+        return rmalloc_bytes_format(factor + 1, num / 1024);
+    }
+    char res[100];
+    sprintf(res, "%s %s", rmalloc_lld_format(num), sizes[factor]);
+    return sbuf(res);
+}
+
+char *rmalloc_stats() {
+    static char res[200];
+    res[0] = 0;
+    // int original_locale = localeconv();
+    setlocale(LC_NUMERIC, "en_US.UTF-8");
+    sprintf(res, "Memory usage: %s, %s (re)allocated, %s unqiue free'd, %s in use.", rmalloc_bytes_format(0, rmalloc_total_bytes_allocated),
+            rmalloc_lld_format(rmalloc_alloc_count), rmalloc_lld_format(rmalloc_free_count),
+
+            rmalloc_lld_format(rmalloc_count));
+    // setlocale(LC_NUMERIC, original_locale);
+
+    setlocale(LC_NUMERIC, "");
+    return res;
+}
+
+#endif
+
+#include <arpa/inet.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#ifndef RLIB_RIO
+#define RLIB_RIO
+#include <dirent.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/dir.h>
+#include <sys/select.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#ifndef RSTRING_LIST_H
+#define RSTRING_LIST_H
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct rstring_list_t {
+    unsigned int size;
+    unsigned int count;
+    char **strings;
+} rstring_list_t;
+
+rstring_list_t *rstring_list_new() {
+    rstring_list_t *rsl = (rstring_list_t *)malloc(sizeof(rstring_list_t));
+    memset(rsl, 0, sizeof(rstring_list_t));
+    return rsl;
+}
+
+void rstring_list_free(rstring_list_t *rsl) {
+    for (unsigned int i = 0; i < rsl->size; i++) {
+        free(rsl->strings[i]);
+    }
+    if (rsl->strings)
+        free(rsl->strings);
+    free(rsl);
+    rsl = NULL;
+}
+
+void rstring_list_add(rstring_list_t *rsl, char *str) {
+    if (rsl->count == rsl->size) {
+        rsl->size++;
+
+        rsl->strings = (char **)realloc(rsl->strings, sizeof(char *) * rsl->size);
+    }
+    rsl->strings[rsl->count] = strdup(str);
+    rsl->count++;
+}
+bool rstring_list_contains(rstring_list_t *rsl, char *str) {
+    for (unsigned int i = 0; i < rsl->count; i++) {
+        if (!strcmp(rsl->strings[i], str))
+            return true;
+    }
+    return false;
+}
+
+#endif
+
+bool rfile_exists(char *path) {
+    struct stat s;
+    return !stat(path, &s);
+}
+
+void rjoin_path(char *p1, char *p2, char *output) {
+    output[0] = 0;
+    strcpy(output, p1);
+
+    if (output[strlen(output) - 1] != '/') {
+        char slash[] = "/";
+        strcat(output, slash);
+    }
+    if (p2[0] == '/') {
+        p2++;
+    }
+    strcat(output, p2);
+}
+
+int risprivatedir(const char *path) {
+    struct stat statbuf;
+
+    if (stat(path, &statbuf) != 0) {
+        perror("stat");
+        return -1;
+    }
+
+    if (!S_ISDIR(statbuf.st_mode)) {
+        return -2;
+    }
+
+    if ((statbuf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) == S_IRWXU) {
+        return 1; // Private (owner has all permissions, others have none)
+    }
+
+    return 0;
+}
+bool risdir(const char *path) { return !risprivatedir(path); }
+
+void rforfile(char *path, void callback(char *)) {
+    if (!rfile_exists(path))
+        return;
+    DIR *dir = opendir(path);
+    struct dirent *d;
+    while ((d = readdir(dir)) != NULL) {
+        if (!d)
+            break;
+
+        if ((d->d_name[0] == '.' && strlen(d->d_name) == 1) || d->d_name[1] == '.') {
+            continue;
+        }
+        char full_path[4096];
+        rjoin_path(path, d->d_name, full_path);
+
+        if (risdir(full_path)) {
+            callback(full_path);
+            rforfile(full_path, callback);
+        } else {
+            callback(full_path);
+        }
+    }
+    closedir(dir);
+}
+
+bool rfd_wait(int fd, int ms) {
+
+    fd_set read_fds;
+    struct timeval timeout;
+
+    FD_ZERO(&read_fds);
+    FD_SET(fd, &read_fds);
+
+    timeout.tv_sec = 0;
+    timeout.tv_usec = 1000 * ms;
+
+    int ret = select(fd + 1, &read_fds, NULL, NULL, &timeout);
+    return ret > 0 && FD_ISSET(fd, &read_fds);
+}
+
+bool rfd_wait_forever(int fd) {
+    while ((!rfd_wait(fd, 10))) {
+    }
+    return true;
+}
+
+size_t rfile_size(char *path) {
+    struct stat s;
+    stat(path, &s);
+    return s.st_size;
+}
+
+size_t rfile_readb(char *path, void *data, size_t size) {
+    FILE *fd = fopen(path, "r");
+    if (!fd) {
+        return 0;
+    }
+    size_t bytes_read = fread(data, sizeof(char), size, fd);
+
+    fclose(fd);
+    ((char *)data)[bytes_read] = 0;
+    return bytes_read;
+}
+
+#endif
+
+int *nsock_socks = NULL;
+int *nsock_readable = NULL;
+void **nsock_data = NULL;
+int nsock_server_fd = 0;
+int nsock_max_socket_fd = 0;
+
+typedef enum nsock_type_t { NSOCK_NONE = 0, NSOCK_SERVER, NSOCK_CLIENT, NSOCK_UPSTREAM } nsock_type_t;
+
+typedef struct nsock_it {
+    int fd;
+    int *upstreams;
+    bool connected;
+    bool downstream;
+    unsigned int upstream_count;
+    nsock_type_t type;
+} nsock_t;
+
+nsock_t **nsocks = NULL;
+int nsocks_count = 0;
+
+void (*nsock_on_connect)(int fd) = NULL;
+void (*nsock_on_data)(int fd) = NULL;
+void (*nsock_on_close)(int fd) = NULL;
+void nsock_on_before_data(int fd);
+
+nsock_t *nsock_get(int fd) {
+    if (nsock_socks[fd] == 0) {
+        return NULL;
+    }
+    if (fd >= nsocks_count || nsocks[fd] == NULL) {
+        if (fd >= nsocks_count) {
+            nsocks_count = fd + 1;
+            nsocks = (nsock_t **)realloc(nsocks, sizeof(nsock_t *) * sizeof(nsock_t) * (nsocks_count));
+            nsocks[fd] = (nsock_t *)calloc(1, sizeof(nsock_t));
+        }
+        nsocks[fd]->upstreams = NULL;
+        nsocks[fd]->fd = fd;
+        nsocks[fd]->connected = false;
+        nsocks[fd]->downstream = false;
+        nsocks[fd]->upstream_count = 0;
+        nsocks[fd]->type = NSOCK_CLIENT;
+        return nsocks[fd];
+    }
+    return nsocks[fd];
+}
+
+void nsock_close(int fd) {
+    if (nsock_on_close)
+        nsock_on_close(fd);
+    nsock_t *sock = nsock_get(fd);
+    if (sock) {
+        for (unsigned int i = 0; i < sock->upstream_count; i++) {
+            nsock_close(sock->upstreams[i]);
+            sock->upstreams[i] = 0;
+        }
+        if (sock->upstream_count) {
+            free(sock->upstreams);
+        }
+        sock->upstream_count = 0;
+        sock->connected = false;
+    }
+    nsock_socks[fd] = 0;
+    close(fd);
+}
+
+nsock_t *nsock_create(int fd, nsock_type_t type) {
+    if (fd <= 0)
+        return NULL;
+    nsock_socks[fd] = fd;
+    nsock_t *sock = nsock_get(fd);
+    sock->connected = true;
+    sock->downstream = false;
+    sock->type = type;
+    return sock;
+}
+
+int *nsock_init(int socket_count) {
+    if (nsock_socks) {
+        return nsock_socks;
+    }
+    nsock_socks = (int *)calloc(1, sizeof(int) * sizeof(int *) * socket_count + 1);
+    if (nsock_data) {
+        free(nsock_data);
+        nsock_data = NULL;
+    }
+    nsock_data = (void **)malloc(sizeof(void **) * socket_count + 1);
+    nsock_socks[socket_count] = -1;
+    return nsock_socks;
+}
+
+void nsock_free() {
+    if (nsock_socks)
+        free(nsock_socks);
+    if (nsock_readable)
+        free(nsock_readable);
+    nsock_server_fd = 0;
+    nsock_max_socket_fd = 0;
+    if (nsock_data) {
+        exit(1);
+    }
+}
+
+void nsock_add_upstream(int source, int target, bool downstream) {
+    if (!nsock_socks[target])
+        return;
+    if (!nsock_socks[source])
+        return;
+    nsock_t *sock = nsock_get(source);
+    nsock_t *sock_target = nsock_get(target);
+    sock_target->type = NSOCK_UPSTREAM;
+    sock->upstreams = (int *)realloc(sock->upstreams, sizeof(int) * (sock->upstream_count + 1));
+    sock->downstream = downstream;
+    sock->upstreams[sock->upstream_count] = target;
+    sock->upstream_count++;
+}
+
+void *nsock_get_data(int socket) { return nsock_data[socket]; }
+void nsock_set_data(int socket, void *data) { nsock_data[socket] = data; }
+
+int nsock_connect(const char *host, unsigned int port) {
+    char port_str[10] = {0};
+    sprintf(port_str, "%d", port);
+    int status;
+    int socket_fd = 0;
+    struct addrinfo hints;
+    struct addrinfo *res;
+    struct addrinfo *p;
+    if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+        return false;
+    }
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    if ((status = getaddrinfo(host, port_str, &hints, &res)) != 0) {
+        return 0;
+    }
+    for (p = res; p != NULL; p = p->ai_next) {
+        if ((socket_fd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
+            continue;
+        }
+        if (connect(socket_fd, p->ai_addr, p->ai_addrlen) == -1) {
+            close(socket_fd);
+            continue;
+        }
+        break;
+    }
+    if (p == NULL) {
+        freeaddrinfo(res);
+        return 0;
+    }
+    freeaddrinfo(res);
+    if (socket_fd) {
+        if (nsock_socks == NULL) {
+            nsock_init(2048);
+        }
+        nsock_socks[socket_fd] = socket_fd;
+        nsock_t *sock = nsock_create(socket_fd, NSOCK_CLIENT);
+        sock->connected = true;
+    }
+    return socket_fd;
+}
+
+void nsock_listen(int port) {
+    int server_fd;
+    struct sockaddr_in address;
+    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
+        perror("Socket failed");
+        exit(EXIT_FAILURE);
+    }
+    int opt = 1;
+    if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt))) {
+        perror("setsockopt failed");
+        close(server_fd);
+        exit(EXIT_FAILURE);
+    }
+    address.sin_family = AF_INET;
+    address.sin_addr.s_addr = INADDR_ANY;
+    address.sin_port = htons(port);
+    if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
+        perror("Bind failed");
+        close(server_fd);
+        exit(EXIT_FAILURE);
+    }
+    if (listen(server_fd, 8096) < 0) {
+        perror("Listen failed");
+        close(server_fd);
+        exit(EXIT_FAILURE);
+    }
+    nsock_server_fd = server_fd;
+}
+
+int *nsock_select(suseconds_t timeout) {
+    struct timeval tv;
+    tv.tv_sec = 0;
+    tv.tv_usec = timeout;
+    int server_fd = nsock_server_fd;
+    fd_set rfds;
+    FD_ZERO(&rfds);
+    FD_SET(server_fd, &rfds);
+    int *socks = nsock_socks;
+    fd_set efds;
+    FD_ZERO(&efds);
+    nsock_max_socket_fd = server_fd;
+    for (int i = 0; socks[i] != -1; i++) {
+        if (i == server_fd)
+            continue;
+        ;
+        if (!socks[i])
+            continue;
+        if (socks[i] > nsock_max_socket_fd) {
+            nsock_max_socket_fd = socks[i];
+        }
+        FD_SET(socks[i], &rfds);
+        FD_SET(socks[i], &efds);
+    }
+    int activity = select(nsock_max_socket_fd + 1, &rfds, NULL, &efds, timeout == 0 ? NULL : &tv);
+    if ((activity < 0) && (errno != EINTR)) {
+        perror("Select error\n");
+        return NULL;
+    } else if (activity == 0) {
+        return NULL;
+    }
+    if (FD_ISSET(server_fd, &rfds)) {
+        struct sockaddr_in address;
+        int addrlen = sizeof(address);
+        address.sin_family = AF_INET;
+        address.sin_addr.s_addr = INADDR_ANY;
+        int new_socket = 0;
+        if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
+            perror("Accept failed");
+        } else {
+            nsock_socks[new_socket] = new_socket;
+            nsock_create(new_socket, NSOCK_CLIENT);
+            if (nsock_on_connect)
+                nsock_on_connect(new_socket);
+            if (new_socket > nsock_max_socket_fd)
+                nsock_max_socket_fd = new_socket;
+        }
+    }
+    if (nsock_readable) {
+        free(nsock_readable);
+    }
+    nsock_readable = (int *)calloc(1, sizeof(int *) + sizeof(int) * (nsock_max_socket_fd + 2));
+    nsock_readable[nsock_max_socket_fd + 1] = -1;
+    nsock_readable[0] = 0;
+    int readable_count = 0;
+    for (int i = 0; i < nsock_max_socket_fd + 1; i++) {
+        nsock_t *sock = nsock_get(i);
+        if (!sock)
+            continue;
+        if (FD_ISSET(i, &efds)) {
+            nsock_close(nsock_socks[i]);
+            nsock_socks[i] = 0;
+            nsock_readable[i] = 0;
+        } else if (FD_ISSET(i, &rfds) && i != server_fd) {
+            nsock_readable[i] = i;
+            readable_count++;
+            nsock_on_before_data(i);
+        } else {
+            nsock_readable[i] = 0;
+            sock->connected = false;
+        }
+    }
+    return nsock_readable;
+}
+
+unsigned char *nsock_read(int fd, int length) {
+    if (!nsock_socks[fd])
+        return NULL;
+    unsigned char *buffer = (unsigned char *)malloc(length + 1);
+    int bytes_read = read(fd, buffer, length);
+    if (bytes_read <= 0) {
+        nsock_close(fd);
+        return NULL;
+    }
+    buffer[bytes_read] = 0;
+    return buffer;
+}
+
+unsigned char *nsock_read_all(int fd, int length) {
+    if (!nsock_socks[fd])
+        return NULL;
+    unsigned char *buffer = (unsigned char *)malloc(length + 1);
+    int bytes_read = 0;
+    while (bytes_read < length) {
+        int bytes_chunk = read(fd, buffer + bytes_read, length - bytes_read);
+        if (bytes_chunk <= 0) {
+            nsock_close(fd);
+            return NULL;
+        }
+        bytes_read += bytes_chunk;
+    }
+    buffer[bytes_read] = 0;
+    return buffer;
+}
+
+int nsock_write_all(int fd, unsigned char *data, int length) {
+    if (!nsock_socks[fd])
+        return 0;
+    int bytes_written = 0;
+    while (bytes_written < length) {
+        int bytes_chunk = write(fd, data + bytes_written, length - bytes_written);
+        if (bytes_chunk <= 0) {
+            nsock_close(fd);
+            return 0;
+        }
+        bytes_written += bytes_chunk;
+    }
+    return bytes_written;
+}
+
+int nsock_execute_upstream(int source, size_t buffer_size) {
+    int result = 0;
+    nsock_t *sock = nsock_get(source);
+    unsigned char data[buffer_size];
+    memset(data, 0, buffer_size);
+    int bytes_read = read(source, data, buffer_size);
+    if (bytes_read <= 0) {
+        nsock_close(source);
+        return 0;
+    }
+    bool downstreamed = false;
+    for (unsigned int i = 0; i < sock->upstream_count; i++) {
+        if (!nsock_socks[sock->upstreams[i]])
+            continue;
+        int bytes_sent = nsock_write_all(sock->upstreams[i], data, bytes_read);
+        if (bytes_sent <= 0) {
+            nsock_close(sock->upstreams[i]);
+            continue;
+        }
+        if (sock->downstream && downstreamed == false) {
+            downstreamed = true;
+            unsigned char data[4096];
+            memset(data, 0, 4096);
+            int bytes_read = read(sock->upstreams[i], data, 4096);
+            if (bytes_read <= 0) {
+                nsock_close(source);
+                return 0;
+            }
+            int bytes_sent = nsock_write_all(sock->fd, data, bytes_read);
+            if (bytes_sent <= 0) {
+                nsock_close(sock->upstreams[i]);
+                return 0;
+            }
+        }
+        result++;
+    }
+    return result;
+}
+
+void nsock_on_before_data(int fd) {
+    if (!nsock_socks[fd])
+        return;
+    nsock_t *sock = nsock_get(fd);
+    if (sock->upstream_count) {
+        int upstreamed_to_count = nsock_execute_upstream(fd, 4096);
+        if (!upstreamed_to_count) {
+            nsock_close(fd);
+        }
+        return;
+    } else if (sock->type == NSOCK_UPSTREAM) {
+        while (rfd_wait(sock->fd, 0)) {
+            unsigned char *data = nsock_read(fd, 4096);
+            (void)data;
+        }
+    }
+    if (nsock_on_data)
+        nsock_on_data(fd);
+}
+
+void nsock(int port, void (*on_connect)(int fd), void (*on_data)(int fd), void (*on_close)(int fd)) {
+    nsock_init(2048);
+    nsock_listen(port);
+    nsock_on_connect = on_connect;
+    nsock_on_data = on_data;
+    nsock_on_close = on_close;
+    int serve_in_terminal = nsock_on_connect == NULL && nsock_on_data == NULL && nsock_on_close == NULL;
+    while (1) {
+        int *readable = nsock_select(0);
+        if (!serve_in_terminal)
+            continue;
+        if (!readable)
+            continue;
+        for (int i = 0; readable[i] != -1; i++) {
+            if (!readable[i])
+                continue;
+            char buffer[1024] = {0};
+            int bytes_read = read(readable[i], buffer, 1);
+            buffer[bytes_read] = 0;
+            if (bytes_read <= 0) {
+                nsock_close(readable[i]);
+                continue;
+            }
+            if (write(readable[i], buffer, bytes_read) <= 0) {
+                nsock_close(readable[i]);
+                continue;
+            }
+        }
+    }
+}
+#endif
+
+#ifndef UUID_H
+#define UUID_H
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+typedef struct {
+    unsigned char bytes[16];
+} UUID;
+
+void generate_random_bytes(unsigned char *bytes, size_t len) {
+    for (size_t i = 0; i < len; i++) {
+        bytes[i] = rand() % 256;
+    }
+}
+
+UUID generate_uuid4(void) {
+    UUID uuid;
+
+    generate_random_bytes(uuid.bytes, 16);
+
+    uuid.bytes[6] &= 0x0f;
+    uuid.bytes[6] |= 0x40;
+
+    uuid.bytes[8] &= 0x3f;
+    uuid.bytes[8] |= 0x80;
+
+    return uuid;
+}
+
+void uuid_to_string(UUID uuid, char *str) {
+    sprintf(str, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", uuid.bytes[0], uuid.bytes[1], uuid.bytes[2],
+            uuid.bytes[3], uuid.bytes[4], uuid.bytes[5], uuid.bytes[6], uuid.bytes[7], uuid.bytes[8], uuid.bytes[9], uuid.bytes[10],
+            uuid.bytes[11], uuid.bytes[12], uuid.bytes[13], uuid.bytes[14], uuid.bytes[15]);
+}
+
+char *uuid4() {
+    srand(time(NULL));
+    UUID uuid = generate_uuid4();
+    char str[37];
+    uuid_to_string(uuid, str);
+    return sbuf(str);
+}
+#endif
+#ifndef RNET_H
+#define RNET_H
+#ifdef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE_TEMP _POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#endif
+#ifndef _POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200112L
+#endif
+#include <arpa/inet.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/select.h>
+
+#include <sys/socket.h>
+#include <sys/types.h>
+
+#include <unistd.h>
+#ifdef _POSIX_C_SOURCE_TEMP
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE _POSIX_C_SOURCE_TEMP
+#undef _POSIX_C_SOURCE_TEMP
+#else
+#undef _POSIX_C_SOURCE
+#endif
+#define NET_SOCKET_MAX_CONNECTIONS 50000
+
+typedef struct rnet_socket_t {
+    int fd;
+    char name[50];
+    void *data;
+    size_t bytes_received;
+    size_t bytes_sent;
+    bool connected;
+    void (*on_read)(struct rnet_socket_t *);
+    void (*on_close)(struct rnet_socket_t *);
+    void (*on_connect)(struct rnet_socket_t *);
+} rnet_socket_t;
+
+typedef struct rnet_select_result_t {
+    int server_fd;
+    rnet_socket_t **sockets;
+    unsigned int socket_count;
+} rnet_select_result_t;
+
+typedef struct rnet_server_t {
+    int socket_fd;
+    rnet_socket_t **sockets;
+    unsigned int socket_count;
+    unsigned int port;
+    unsigned int backlog;
+    rnet_select_result_t *select_result;
+    int max_fd;
+    void (*on_connect)(rnet_socket_t *socket);
+    void (*on_close)(rnet_socket_t *socket);
+    void (*on_read)(rnet_socket_t *socket);
+} rnet_server_t;
+
+void rnet_select_result_free(rnet_select_result_t *result);
+int net_socket_accept(int server_fd);
+int net_socket_connect(const char *, unsigned int);
+int net_socket_init();
+rnet_server_t *net_socket_serve(unsigned int port, unsigned int backlog);
+rnet_select_result_t *net_socket_select(rnet_server_t *server);
+rnet_socket_t *net_socket_wait(rnet_socket_t *socket_fd);
+bool net_set_non_blocking(int sock);
+bool net_socket_bind(int sock, unsigned int port);
+bool net_socket_listen(int sock, unsigned int backlog);
+char *net_socket_name(int sock);
+size_t net_socket_write(rnet_socket_t *, unsigned char *, size_t);
+rnet_socket_t *get_net_socket_by_fd(int);
+unsigned char *net_socket_read(rnet_socket_t *, unsigned int buff_size);
+void _net_socket_close(int sock);
+void net_socket_close(rnet_socket_t *sock);
+
+rnet_server_t *rnet_server_new(int socket_fd, unsigned int port, unsigned int backlog) {
+    rnet_server_t *server = malloc(sizeof(rnet_server_t));
+    server->socket_fd = socket_fd;
+    server->sockets = NULL;
+    server->socket_count = 0;
+    server->port = port;
+    server->backlog = backlog;
+    server->max_fd = -1;
+    server->select_result = NULL;
+    server->on_connect = NULL;
+    server->on_close = NULL;
+    server->on_read = NULL;
+    return server;
+}
+
+rnet_server_t *rnet_server_add_socket(rnet_server_t *server, rnet_socket_t *sock) {
+    server->sockets = realloc(server->sockets, sizeof(rnet_socket_t *) * (server->socket_count + 1));
+    server->sockets[server->socket_count] = sock;
+    server->socket_count++;
+    sock->on_read = server->on_read;
+    sock->on_connect = server->on_connect;
+    sock->on_close = server->on_close;
+    sock->connected = true;
+    return server;
+}
+
+rnet_socket_t sockets[NET_SOCKET_MAX_CONNECTIONS] = {0};
+unsigned long sockets_connected = 0;
+int net_socket_max_fd = 0;
+unsigned long sockets_total = 0;
+unsigned long sockets_disconnected = 0;
+unsigned long sockets_concurrent_record = 0;
+unsigned long sockets_errors = 0;
+
+bool net_set_non_blocking(int sock) {
+    int flags = fcntl(sock, F_GETFL, 0);
+    if (flags < 0) {
+        perror("fcntl");
+        return false;
+    }
+
+    if (fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0) {
+        perror("fcntl");
+        return false;
+    }
+
+    return true;
+}
+
+int net_socket_init() {
+    int socket_fd = -1;
+    memset(sockets, 0, sizeof(sockets));
+    int opt = 1;
+    if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
+        perror("Socket failed.\n");
+        return false;
+    }
+    if (setsockopt(socket_fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt))) {
+        perror("Setsockopt failed.\n");
+        close(socket_fd);
+        return false;
+    }
+    net_set_non_blocking(socket_fd);
+    return socket_fd;
+}
+
+char *net_socket_name(int fd) {
+    rnet_socket_t *rnet_socket = get_net_socket_by_fd(fd);
+    if (rnet_socket) {
+        return rnet_socket->name;
+        ;
+    }
+
+    // If socket disconnected or is no client from server
+    return NULL;
+}
+
+bool net_socket_bind(int socket_fd, unsigned int port) {
+    struct sockaddr_in address;
+
+    address.sin_family = AF_INET;         // IPv4
+    address.sin_addr.s_addr = INADDR_ANY; // Bind to any available address
+    address.sin_port = htons(port);       // Convert port to network byte order
+
+    if (bind(socket_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
+        perror("Bind failed");
+        close(socket_fd);
+        return false;
+    }
+    return true;
+}
+
+int net_socket_connect(const char *host, unsigned int port) {
+    char port_str[10] = {0};
+    sprintf(port_str, "%d", port);
+    int status;
+    int socket_fd = -1;
+    struct addrinfo hints;
+    struct addrinfo *res;
+    struct addrinfo *p;
+    if ((socket_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+        return false;
+    }
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+
+    if ((status = getaddrinfo(host, port_str, &hints, &res)) != 0) {
+        return -1;
+    }
+
+    for (p = res; p != NULL; p = p->ai_next) {
+        if ((socket_fd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
+            continue;
+        }
+
+        if (connect(socket_fd, p->ai_addr, p->ai_addrlen) == -1) {
+            close(socket_fd);
+            continue;
+        }
+
+        break;
+    }
+
+    if (p == NULL) {
+        freeaddrinfo(res);
+        return -1;
+    }
+
+    freeaddrinfo(res);
+    return socket_fd;
+}
+
+bool net_socket_listen(int socket_fd, unsigned int backlog) {
+    if (listen(socket_fd, backlog) < 0) { // '3' is the backlog size
+        perror("Listen failed");
+        close(socket_fd);
+        return false;
+    }
+    return true;
+}
+
+rnet_server_t *net_socket_serve(unsigned int port, unsigned int backlog) {
+    signal(SIGPIPE, SIG_IGN);
+    int socket_fd = net_socket_init();
+    net_socket_bind(socket_fd, port);
+    net_socket_listen(socket_fd, backlog);
+    return rnet_server_new(socket_fd, port, backlog);
+}
+
+int net_socket_accept(int net_socket_server_fd) {
+    struct sockaddr_in address;
+    int addrlen = sizeof(address);
+    int new_socket = -1;
+    if ((new_socket = accept(net_socket_server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
+        close(new_socket);
+        return -1;
+    } else {
+
+        return new_socket;
+    }
+}
+/*
+static void net_socket_stats(WrenVM *vm)
+{
+
+    wrenSetSlotNewList(vm, 0);
+
+    wrenSetSlotString(vm, 1, "sockets_total");
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotDouble(vm, 1, (double)sockets_total);
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotString(vm, 1, "sockets_concurrent_record");
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotDouble(vm, 1, (double)sockets_concurrent_record);
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotString(vm, 1, "sockets_connected");
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotDouble(vm, 1, (double)sockets_connected);
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotString(vm, 1, "sockets_disconnected");
+    wrenInsertInList(vm, 0, -1, 1);
+
+    wrenSetSlotDouble(vm, 1, (double)sockets_disconnected);
+    wrenInsertInList(vm, 0, -1, 1);
+}*/
+
+size_t net_socket_write(rnet_socket_t *sock, unsigned char *message, size_t size) {
+    ssize_t sent_total = 0;
+    ssize_t sent = 0;
+    ssize_t to_send = size;
+    while ((sent = send(sock->fd, message, to_send, 0))) {
+        if (sent == -1) {
+            sockets_errors++;
+            net_socket_close(sock);
+            break;
+        }
+        if (sent == 0) {
+            printf("EDGE CASE?\n");
+            exit(1);
+            sockets_errors++;
+            net_socket_close(sock);
+            break;
+        }
+        sent_total += sent;
+        if (sent_total == to_send)
+            break;
+    }
+    return sent_total;
+}
+
+unsigned char *net_socket_read(rnet_socket_t *sock, unsigned int buff_size) {
+    if (buff_size > 1024 * 1024 + 1) {
+        perror("Buffer too big. Maximum is 1024*1024.\n");
+        exit(1);
+    }
+    static unsigned char buffer[1024 * 1024];
+    buffer[0] = 0;
+    ssize_t received = recv(sock->fd, buffer, buff_size, 0);
+    if (received <= 0) {
+        buffer[0] = 0;
+        net_socket_close(sock);
+        if (received < 0) {
+            sockets_errors++;
+            return NULL;
+        }
+    }
+    buffer[received + 1] = 0;
+    sock->bytes_received = received;
+    return buffer;
+}
+
+rnet_socket_t *net_socket_wait(rnet_socket_t *sock) {
+    if (!sock)
+        return NULL;
+    if (sock->fd == -1)
+        return NULL;
+    fd_set read_fds;
+    FD_ZERO(&read_fds);
+    FD_SET(sock->fd, &read_fds);
+
+    int max_socket_fd = sock->fd;
+    int activity = select(max_socket_fd + 1, &read_fds, NULL, NULL, NULL);
+    if ((activity < 0) && (errno != EINTR)) {
+        // perror("Select error");
+        net_socket_close(sock);
+        return NULL;
+    }
+    if (FD_ISSET(sock->fd, &read_fds)) {
+        return sock;
+    }
+
+    return NULL;
+}
+
+void rnet_safe_str(char *str, size_t length) {
+    if (!str || !length || !*str)
+        return;
+    for (unsigned int i = 0; i < length; i++) {
+        if (str[i] < 32 || str[i] > 126)
+            if (str[i] != 0)
+                str[i] = '.';
+    }
+    str[length] = 0;
+}
+
+rnet_select_result_t *rnet_new_socket_select_result(int socket_fd) {
+    rnet_select_result_t *result = (rnet_select_result_t *)malloc(sizeof(rnet_select_result_t));
+    memset(result, 0, sizeof(rnet_select_result_t));
+    result->server_fd = socket_fd;
+    result->socket_count = 0;
+    result->sockets = NULL;
+    return result;
+}
+
+void rnet_select_result_add(rnet_select_result_t *result, rnet_socket_t *sock) {
+    result->sockets = realloc(result->sockets, sizeof(rnet_socket_t *) * (result->socket_count + 1));
+    result->sockets[result->socket_count] = sock;
+    result->socket_count++;
+}
+void rnet_select_result_free(rnet_select_result_t *result) { free(result); }
+rnet_select_result_t *net_socket_select(rnet_server_t *server) {
+    fd_set read_fds;
+    FD_ZERO(&read_fds);
+    FD_SET(server->socket_fd, &read_fds);
+
+    server->max_fd = server->socket_fd;
+    int socket_fd = -1;
+    for (unsigned int i = 0; i < server->socket_count; i++) {
+        socket_fd = server->sockets[i]->fd;
+        if (!server->sockets[i]->connected) {
+            continue;
+        }
+        if (socket_fd > 0) {
+            FD_SET(socket_fd, &read_fds);
+            if (socket_fd > server->max_fd) {
+                server->max_fd = socket_fd;
+            }
+        }
+    }
+    int new_socket = -1;
+    struct sockaddr_in address;
+    int addrlen = sizeof(struct sockaddr_in);
+    int activity = select(server->max_fd + 1, &read_fds, NULL, NULL, NULL);
+    if ((activity < 0) && (errno != EINTR)) {
+        perror("Select error\n");
+        return NULL;
+    }
+    if (FD_ISSET(server->socket_fd, &read_fds)) {
+        if ((new_socket = accept(server->socket_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
+            perror("Accept failed\n");
+            return NULL;
+        }
+
+        // net_set_non_blocking(new_socket);
+        char name[50] = {0};
+        sprintf(name, "fd:%.4d:ip:%12s:port:%.6d", new_socket, inet_ntoa(address.sin_addr), ntohs(address.sin_port));
+        rnet_socket_t *sock_obj = NULL;
+        for (unsigned int i = 0; i < server->socket_count; i++) {
+            if (server->sockets && server->sockets[i]->fd == -1) {
+                sock_obj = server->sockets[i];
+            }
+        }
+        if (!sock_obj) {
+            sock_obj = (rnet_socket_t *)malloc(sizeof(rnet_socket_t));
+            rnet_server_add_socket(server, sock_obj);
+        }
+        sock_obj->fd = new_socket;
+        strcpy(sock_obj->name, name);
+        sockets_connected++;
+        sockets_total++;
+        sockets_concurrent_record = sockets_connected > sockets_concurrent_record ? sockets_connected : sockets_concurrent_record;
+        if (new_socket > net_socket_max_fd) {
+            net_socket_max_fd = new_socket;
+        }
+        sock_obj->connected = true;
+        sock_obj->on_connect(sock_obj);
+    }
+    rnet_select_result_t *result = rnet_new_socket_select_result(server->socket_fd);
+    unsigned int readable_count = 0;
+    for (unsigned int i = 0; i < server->socket_count; i++) {
+        if (server->sockets[i]->fd == -1)
+            continue;
+        if (FD_ISSET(server->sockets[i]->fd, &read_fds)) {
+            rnet_select_result_add(result, server->sockets[i]);
+            readable_count++;
+            if (server->sockets[i]->on_read) {
+                server->sockets[i]->on_read(server->sockets[i]);
+            }
+        }
+    }
+    if (server->select_result) {
+        rnet_select_result_free(server->select_result);
+        server->select_result = NULL;
+    }
+    if (readable_count == 0)
+        rnet_select_result_free(result);
+    return readable_count ? result : NULL;
+}
+
+rnet_socket_t *get_net_socket_by_fd(int sock) {
+    for (int i = 0; i < net_socket_max_fd; i++) {
+        if (sockets[i].fd == sock) {
+            return &sockets[i];
+        }
+    }
+    return NULL;
+}
+
+void _net_socket_close(int sock) {
+    if (sock > 0) {
+        sockets_connected--;
+        sockets_disconnected++;
+        if (sock > 0) {
+            if (close(sock) == -1) {
+                perror("Error closing socket.\n");
+            }
+        }
+    }
+}
+
+void net_socket_close(rnet_socket_t *sock) {
+    sock->connected = false;
+    if (sock->on_close)
+        sock->on_close(sock);
+    _net_socket_close(sock->fd);
+    sock->fd = -1;
+}
+#undef _POSIX_C_SOURCE
+#endif
+
+#include <stdio.h>
+#ifndef RLIB_RARGS_H
+#define RLIB_RARGS_H
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+bool rargs_isset(int argc, char *argv[], char *key) {
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argv[i], key)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+char *rargs_get_option_string(int argc, char *argv[], char *key, const char *def) {
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argv[i], key)) {
+            if (i < argc - 1) {
+                return argv[i + 1];
+            }
+        }
+    }
+    return (char *)def;
+}
+
+int rargs_get_option_int(int argc, char *argv[], char *key, int def) {
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argv[i], key)) {
+            if (i < argc - 1) {
+                return atoi(argv[i + 1]);
+            }
+        }
+    }
+    return def;
+}
+
+bool rargs_get_option_bool(int argc, char *argv[], char *key, bool def) {
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argv[i], key)) {
+            if (i < argc - 1) {
+                if (!strcmp(argv[i + 1], "false"))
+                    return false;
+                if (!strcmp(argv[i + 1], "0"))
+                    return false;
+                return true;
+            }
+        }
+    }
+
+    return def;
+}
+#endif
+#ifndef RCAT_H
+#define RCAT_H
+#include <stdio.h>
+#include <stdlib.h>
+
+void rcat(char *filename) {
+    FILE *f = fopen(filename, "rb");
+    if (!f) {
+        printf("rcat: couldn't open \"%s\" for read.\n", filename);
+        return;
+    }
+    unsigned char c;
+    while ((c = fgetc(f)) && !feof(f)) {
+        printf("%c", c);
+    }
+    fclose(f);
+    fflush(stdout);
+}
+
+int rcat_main(int argc, char *argv[]) {
+    if (argc < 2) {
+        printf("Usage: [filename]\n");
+        return 1;
+    }
+    rcat(argv[1]);
+    return 0;
+}
+
+#endif
+
+#ifndef RLIZA_H
+#define RLIZA_H
+#ifndef RBUFFER_H
+#define RBUFFER_H
+#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+typedef struct rbuffer_t {
+    unsigned char *data;
+    unsigned char *_data;
+    size_t size;
+    size_t pos;
+    bool eof;
+} rbuffer_t;
+
+rbuffer_t *rbuffer_new(unsigned char *data, size_t size);
+void rbuffer_free(rbuffer_t *rfb);
+void rbuffer_reset(rbuffer_t *rfb);
+void rbuffer_write(rbuffer_t *rfb, const unsigned char *data, size_t size);
+size_t rbuffer_push(rbuffer_t *rfb, unsigned char);
+unsigned char rbuffer_pop(rbuffer_t *rfb);
+unsigned char *rbuffer_expect(rbuffer_t *rfb, char *options, char *ignore);
+void rbuffer_set(rbuffer_t *rfb, const unsigned char *data, size_t size);
+
+void rbuffer_set(rbuffer_t *rfb, const unsigned char *data, size_t size) {
+    if (rfb->_data) {
+        free(rfb->_data);
+        rfb->_data = NULL;
+        rfb->data = NULL;
+        rfb->eof = true;
+    }
+    if (size) {
+        rfb->_data = (unsigned char *)malloc(size);
+        memcpy(rfb->_data, data, size);
+        rfb->data = rfb->_data;
+        rfb->eof = false;
+    }
+    rfb->size = size;
+    rfb->pos = 0;
+}
+
+rbuffer_t *rbuffer_new(unsigned char *data, size_t size) {
+    rbuffer_t *rfb = (rbuffer_t *)malloc(sizeof(rbuffer_t));
+    if (size) {
+        rfb->_data = (unsigned char *)malloc(size);
+        memcpy(rfb->_data, data, size);
+        rfb->eof = false;
+    } else {
+        rfb->_data = NULL;
+        rfb->eof = true;
+    }
+    rfb->size = size;
+    rfb->pos = 0;
+    rfb->data = rfb->_data;
+    return rfb;
+}
+void rbuffer_free(rbuffer_t *rfb) {
+    if (rfb->_data)
+        free(rfb->_data);
+    free(rfb);
+}
+
+size_t rbuffer_push(rbuffer_t *rfb, unsigned char c) {
+    if (rfb->pos < rfb->size) {
+        rfb->_data[rfb->pos++] = c;
+        return 1;
+    }
+    rfb->_data = realloc(rfb->_data, rfb->size ? rfb->size + 1 : rfb->size + 2);
+    rfb->_data[rfb->pos++] = c;
+    rfb->size++;
+    return rfb->pos;
+}
+void rbuffer_write(rbuffer_t *rfb, const unsigned char *data, size_t size) {
+    unsigned char *data_ptr = (unsigned char *)data;
+    for (size_t i = 0; i < size; i++) {
+        rbuffer_push(rfb, data_ptr[i]);
+    }
+}
+
+unsigned char rbuffer_peek(rbuffer_t *rfb) {
+    unsigned char result = EOF;
+    if (rfb->pos != rfb->size) {
+        result = rfb->_data[rfb->pos];
+        return result;
+    }
+    rfb->eof = true;
+    return EOF;
+}
+unsigned char rbuffer_pop(rbuffer_t *rfb) {
+    unsigned char result = EOF;
+    if (rfb->pos <= rfb->size) {
+        result = rfb->_data[rfb->pos];
+        rfb->pos++;
+        rfb->data++;
+        if (rfb->pos == rfb->size) {
+            rfb->eof = true;
+        }
+        return result;
+    }
+    rfb->eof = true;
+    return result;
+}
+void rbuffer_reset(rbuffer_t *rfb) {
+    rfb->data = rfb->_data;
+    rfb->pos = 0;
+}
+
+unsigned char ustrncmp(const unsigned char *s1, const unsigned char *s2, size_t n) {
+    return strncmp((char *)s1, (char *)s2, n);
+    while (n && *s1 == *s2) {
+        n--;
+        s1++;
+        s2++;
+    }
+    return *s1 != *s2;
+}
+size_t ustrlen(const unsigned char *s) { return strlen((char *)s); }
+
+unsigned char *rbuffer_to_string(rbuffer_t *rfb) {
+    unsigned char *result = rfb->_data;
+    rfb->_data = NULL;
+    rfb->data = NULL;
+    rbuffer_free(rfb);
+    return result;
+}
+
+unsigned char *rbuffer_match_option(rbuffer_t *rfb, char *options) {
+    char *option = NULL;
+    char options_cpy[1024] = {0};
+    strcpy(options_cpy, options);
+    char *memory = options_cpy;
+    while ((option = strtok_r(option == NULL ? memory : NULL, "|", &memory)) != NULL) {
+
+        size_t option_length = strlen(option);
+        if (option_length > rfb->size - rfb->pos) {
+            continue;
+        }
+        if (!strcmp(option, "\\d") && *rfb->data >= '0' && *rfb->data <= '9') {
+            return rfb->data;
+        }
+        if (rfb->size - rfb->pos >= 5 && !strcmp(option, "\\b") &&
+            ((!ustrncmp(rfb->data, (unsigned char *)"true", 4) || !ustrncmp(rfb->data, (unsigned char *)"false", 5)))) {
+            return rfb->data;
+        }
+        if (!ustrncmp(rfb->data, (unsigned char *)option, option_length)) {
+            return rfb->data;
+        }
+    }
+    return NULL;
+}
+
+unsigned char *rbuffer_expect(rbuffer_t *rfb, char *options, char *ignore) {
+    while (rfb->pos < rfb->size) {
+        if (rbuffer_match_option(rfb, options) != NULL) {
+            return rfb->data;
+        }
+        if (rbuffer_match_option(rfb, ignore)) {
+            printf("SKIP:%s\n", rfb->data);
+            rbuffer_pop(rfb);
+            continue;
+        }
+        break;
+    }
+    return NULL;
+}
+unsigned char *rbuffer_consume(rbuffer_t *rfb, char *options, char *ignore) {
+    unsigned char *result = NULL;
+    if ((result = rbuffer_expect(rfb, options, ignore)) != NULL) {
+        rbuffer_pop(rfb);
+    }
+    return result;
+}
+#endif
+#ifndef RSTRING_H
+#define RSTRING_H
+#ifndef RMATH_H
+#define RMATH_H
+#include <math.h>
+
+#ifndef ceil
+double ceil(double x) {
+    if (x == (double)(long long)x) {
+        return x;
+    } else if (x > 0.0) {
+        return (double)(long long)x + 1.0;
+    } else {
+        return (double)(long long)x;
+    }
+}
+#endif
+
+#ifndef floor
+double floor(double x) {
+    if (x >= 0.0) {
+        return (double)(long long)x;
+    } else {
+        double result = (double)(long long)x;
+        return (result == x) ? result : result - 1.0;
+    }
+}
+#endif
+
+#ifndef modf
+double modf(double x, double *iptr) {
+    double int_part = (x >= 0.0) ? floor(x) : ceil(x);
+    *iptr = int_part;
+    return x - int_part;
+}
+#endif
+#endif
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+char *rstrtimestamp() {
+    time_t current_time;
+    time(&current_time);
+    struct tm *local_time = localtime(&current_time);
+    static char time_string[100];
+    time_string[0] = 0;
+    strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", local_time);
+    return time_string;
+}
+
+ulonglong _r_generate_key_current = 0;
+
+char *_rcat_int_int(int a, int b) {
+    static char res[20];
+    res[0] = 0;
+    sprintf(res, "%d%d", a, b);
+    return res;
+}
+char *_rcat_int_double(int a, double b) {
+    static char res[20];
+    res[0] = 0;
+    sprintf(res, "%d%f", a, b);
+    return res;
+}
+
+char *_rcat_charp_int(char *a, int b) {
+    char res[20];
+    sprintf(res, "%c", b);
+    return strcat(a, res);
+}
+
+char *_rcat_charp_double(char *a, double b) {
+    char res[20];
+    sprintf(res, "%f", b);
+    return strcat(a, res);
+}
+
+char *_rcat_charp_charp(char *a, char *b) {
+    ;
+    return strcat(a, b);
+}
+char *_rcat_charp_char(char *a, char b) {
+    char extra[] = {b, 0};
+    return strcat(a, extra);
+}
+char *_rcat_charp_bool(char *a, bool *b) {
+    if (b) {
+        return strcat(a, "true");
+    } else {
+        return strcat(a, "false");
+    }
+}
+
+#define rcat(x, y)                                                                                                                         \
+    _Generic((x),                                                                                                                          \
+        int: _Generic((y), int: _rcat_int_int, double: _rcat_int_double, char *: _rcat_charp_charp),                                       \
+        char *: _Generic((y),                                                                                                              \
+        int: _rcat_charp_int,                                                                                                              \
+        double: _rcat_charp_double,                                                                                                        \
+        char *: _rcat_charp_charp,                                                                                                         \
+        char: _rcat_charp_char,                                                                                                            \
+        bool: _rcat_charp_bool))((x), (y))
+
+char *rgenerate_key() {
+    _r_generate_key_current++;
+    static char key[100];
+    key[0] = 0;
+    sprintf(key, "%lld", _r_generate_key_current);
+    return key;
+}
+
+char *rformat_number(long long lnumber) {
+    static char formatted[1024];
+
+    char number[1024] = {0};
+    sprintf(number, "%lld", lnumber);
+
+    int len = strlen(number);
+    int commas_needed = (len - 1) / 3;
+    int new_len = len + commas_needed;
+
+    formatted[new_len] = '\0';
+
+    int i = len - 1;
+    int j = new_len - 1;
+    int count = 0;
+
+    while (i >= 0) {
+        if (count == 3) {
+            formatted[j--] = '.';
+            count = 0;
+        }
+        formatted[j--] = number[i--];
+        count++;
+    }
+    if (lnumber < 0)
+        formatted[j--] = '-';
+    return formatted;
+}
+
+bool rstrextractdouble(char *str, double *d1) {
+    for (size_t i = 0; i < strlen(str); i++) {
+        if (isdigit(str[i])) {
+            str += i;
+            sscanf(str, "%lf", d1);
+            return true;
+        }
+    }
+    return false;
+}
+
+void rstrstripslashes(const char *content, char *result) {
+    size_t content_length = strlen((char *)content);
+    unsigned int index = 0;
+    for (unsigned int i = 0; i < content_length; i++) {
+        char c = content[i];
+        if (c == '\\') {
+            i++;
+            c = content[i];
+            if (c == 'r') {
+                c = '\r';
+            } else if (c == 't') {
+                c = '\t';
+            } else if (c == 'b') {
+                c = '\b';
+            } else if (c == 'n') {
+                c = '\n';
+            } else if (c == 'f') {
+                c = '\f';
+            } else if (c == '\\') {
+                // No need tbh
+                c = '\\';
+                i++;
+            }
+        }
+        result[index] = c;
+        index++;
+    }
+    result[index] = 0;
+}
+
+int rstrstartswith(const char *s1, const char *s2) {
+    if (s1 == NULL)
+        return s2 == NULL;
+    if (s1 == s2 || s2 == NULL || *s2 == 0)
+        return true;
+    size_t len_s2 = strlen(s2);
+    size_t len_s1 = strlen(s1);
+    if (len_s2 > len_s1)
+        return false;
+    return !strncmp(s1, s2, len_s2);
+}
+
+bool rstrendswith(const char *s1, const char *s2) {
+    if (s1 == NULL)
+        return s2 == NULL;
+    if (s1 == s2 || s2 == NULL || *s2 == 0)
+        return true;
+    size_t len_s2 = strlen(s2);
+    size_t len_s1 = strlen(s1);
+    if (len_s2 > len_s1) {
+        return false;
+    }
+    s1 += len_s1 - len_s2;
+    return !strncmp(s1, s2, len_s2);
+}
+
+void rstraddslashes(const char *content, char *result) {
+    size_t content_length = strlen((char *)content);
+    unsigned int index = 0;
+    for (unsigned int i = 0; i < content_length; i++) {
+        if (content[i] == '\r') {
+            result[index] = '\\';
+            index++;
+            result[index] = 'r';
+            index++;
+            continue;
+        } else if (content[i] == '\t') {
+            result[index] = '\\';
+            index++;
+            result[index] = 't';
+            index++;
+            continue;
+        } else if (content[i] == '\n') {
+            result[index] = '\\';
+            index++;
+            result[index] = 'n';
+            index++;
+            continue;
+        } else if (content[i] == '\\') {
+            result[index] = '\\';
+            index++;
+            result[index] = '\\';
+            index++;
+            continue;
+        } else if (content[i] == '\b') {
+            result[index] = '\\';
+            index++;
+            result[index] = 'b';
+            index++;
+            continue;
+        } else if (content[i] == '\f') {
+            result[index] = '\\';
+            index++;
+            result[index] = 'f';
+            index++;
+            continue;
+        } else if (content[i] == '"') {
+            result[index] = '\\';
+            index++;
+            result[index] = '"';
+            index++;
+            continue;
+        }
+        result[index] = content[i];
+        index++;
+        result[index] = 0;
+    }
+}
+
+int rstrip_whitespace(char *input, char *output) {
+    output[0] = 0;
+    int count = 0;
+    size_t len = strlen(input);
+    for (size_t i = 0; i < len; i++) {
+        if (input[i] == '\t' || input[i] == ' ' || input[i] == '\n') {
+            continue;
+        }
+        count = i;
+        size_t j;
+        for (j = 0; j < len - count; j++) {
+            output[j] = input[j + count];
+        }
+        output[j] = '\0';
+        break;
+    }
+    return count;
+}
+
+/*
+ * Converts "pony" to \"pony\". Addslashes does not
+ * Converts "pony\npony" to "pony\n"
+ * 			    "pony"
+ */
+void rstrtocstring(const char *input, char *output) {
+    int index = 0;
+    char clean_input[strlen(input) * 2];
+    char *iptr = clean_input;
+    rstraddslashes(input, clean_input);
+    output[index] = '"';
+    index++;
+    while (*iptr) {
+        if (*iptr == '"') {
+            output[index] = '\\';
+            output++;
+        } else if (*iptr == '\\' && *(iptr + 1) == 'n') {
+            output[index] = '\\';
+            output++;
+            output[index] = 'n';
+            output++;
+            output[index] = '"';
+            output++;
+            output[index] = '\n';
+            output++;
+            output[index] = '"';
+            output++;
+            iptr++;
+            iptr++;
+            continue;
+        }
+        output[index] = *iptr;
+        index++;
+        iptr++;
+    }
+    if (output[index - 1] == '"' && output[index - 2] == '\n') {
+        output[index - 1] = 0;
+    } else if (output[index - 1] != '"') {
+        output[index] = '"';
+        output[index + 1] = 0;
+    }
+}
+
+size_t rstrtokline(char *input, char *output, size_t offset, bool strip_nl) {
+
+    size_t len = strlen(input);
+    output[0] = 0;
+    size_t new_offset = 0;
+    size_t j;
+    size_t index = 0;
+
+    for (j = offset; j < len + offset; j++) {
+        if (input[j] == 0) {
+            index++;
+            break;
+        }
+        index = j - offset;
+        output[index] = input[j];
+
+        if (output[index] == '\n') {
+            index++;
+            break;
+        }
+    }
+    output[index] = 0;
+
+    new_offset = index + offset;
+
+    if (strip_nl) {
+        if (output[index - 1] == '\n') {
+            output[index - 1] = 0;
+        }
+    }
+    return new_offset;
+}
+
+void rstrjoin(char **lines, size_t count, char *glue, char *output) {
+    output[0] = 0;
+    for (size_t i = 0; i < count; i++) {
+        strcat(output, lines[i]);
+        if (i != count - 1)
+            strcat(output, glue);
+    }
+}
+
+int rstrsplit(char *input, char **lines) {
+    int index = 0;
+    size_t offset = 0;
+    char line[1024];
+    while ((offset = rstrtokline(input, line, offset, false)) && *line) {
+        if (!*line) {
+            break;
+        }
+        lines[index] = (char *)malloc(strlen(line) + 1);
+        strcpy(lines[index], line);
+        index++;
+    }
+    return index;
+}
+
+bool rstartswithnumber(char *str) { return isdigit(str[0]); }
+
+void rstrmove2(char *str, unsigned int start, size_t length, unsigned int new_pos) {
+    size_t str_len = strlen(str);
+    char new_str[str_len + 1];
+    memset(new_str, 0, str_len);
+    if (start < new_pos) {
+        strncat(new_str, str + length, str_len - length - start);
+        new_str[new_pos] = 0;
+        strncat(new_str, str + start, length);
+        strcat(new_str, str + strlen(new_str));
+        memset(str, 0, str_len);
+        strcpy(str, new_str);
+    } else {
+        strncat(new_str, str + start, length);
+        strncat(new_str, str, start);
+        strncat(new_str, str + start + length, str_len - start);
+        memset(str, 0, str_len);
+        strcpy(str, new_str);
+    }
+    new_str[str_len] = 0;
+}
+
+void rstrmove(char *str, unsigned int start, size_t length, unsigned int new_pos) {
+    size_t str_len = strlen(str);
+    if (start >= str_len || new_pos >= str_len || start + length > str_len) {
+        return;
+    }
+    char temp[length + 1];
+    strncpy(temp, str + start, length);
+    temp[length] = 0;
+    if (start < new_pos) {
+        memmove(str + start, str + start + length, new_pos - start);
+        strncpy(str + new_pos - length + 1, temp, length);
+    } else {
+        memmove(str + new_pos + length, str + new_pos, start - new_pos);
+        strncpy(str + new_pos, temp, length);
+    }
+}
+
+int cmp_line(const void *left, const void *right) {
+    char *l = *(char **)left;
+    char *r = *(char **)right;
+
+    char lstripped[strlen(l) + 1];
+    rstrip_whitespace(l, lstripped);
+    char rstripped[strlen(r) + 1];
+    rstrip_whitespace(r, rstripped);
+
+    double d1, d2;
+    bool found_d1 = rstrextractdouble(lstripped, &d1);
+    bool found_d2 = rstrextractdouble(rstripped, &d2);
+
+    if (found_d1 && found_d2) {
+        double frac_part1;
+        double int_part1;
+        frac_part1 = modf(d1, &int_part1);
+        double frac_part2;
+        double int_part2;
+        frac_part2 = modf(d2, &int_part2);
+        if (d1 == d2) {
+            return strcmp(lstripped, rstripped);
+        } else if (frac_part1 && frac_part2) {
+            return d1 > d2;
+        } else if (frac_part1 && !frac_part2) {
+            return 1;
+        } else if (frac_part2 && !frac_part1) {
+            return -1;
+        } else if (!frac_part1 && !frac_part2) {
+            return d1 > d2;
+        }
+    }
+    return 0;
+}
+
+int rstrsort(char *input, char *output) {
+    char **lines = (char **)malloc(strlen(input) * 10);
+    int line_count = rstrsplit(input, lines);
+    qsort(lines, line_count, sizeof(char *), cmp_line);
+    rstrjoin(lines, line_count, "", output);
+    for (int i = 0; i < line_count; i++) {
+        free(lines[i]);
+    }
+    free(lines);
+    return line_count;
+}
+
+#endif
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef enum rliza_type_t {
+    RLIZA_STRING = 's',
+    RLIZA_BOOLEAN = 'b',
+    RLIZA_NUMBER = 'n',
+    RLIZA_OBJECT = 'o',
+    RLIZA_ARRAY = 'a',
+    RLIZA_NULL = 0,
+    RLIZA_KEY = 'k',
+    RLIZA_INTEGER = 'i'
+} rliza_type_t;
+
+typedef struct rliza_t {
+    rliza_type_t type;
+    struct rliza_t *value;
+    char *key;
+    union {
+        char *string;
+        bool boolean;
+        double number;
+        struct rliza_t **map;
+        long long integer;
+    } content;
+    unsigned int count;
+    char *(*get_string)(struct rliza_t *, char *);
+    long long (*get_integer)(struct rliza_t *, char *);
+    double (*get_number)(struct rliza_t *, char *);
+    bool (*get_boolean)(struct rliza_t *, char *);
+    struct rliza_t *(*get_array)(struct rliza_t *, char *);
+    struct rliza_t *(*get_object)(struct rliza_t *, char *);
+    void (*set_string)(struct rliza_t *, char *, char *);
+    void (*set_integer)(struct rliza_t *, char *, long long);
+    void (*set_number)(struct rliza_t *, char *, double);
+    void (*set_boolean)(struct rliza_t *, char *, bool);
+    void (*set_array)(struct rliza_t *self, char *key, struct rliza_t *array);
+    void (*set_object)(struct rliza_t *self, char *key, struct rliza_t *object);
+} rliza_t;
+
+void rliza_free(rliza_t *rliza) {
+    if (rliza->key) {
+        free(rliza->key);
+        rliza->key = NULL;
+    }
+    if (rliza->value) {
+        rliza_free(rliza->value);
+        rliza->value = NULL;
+    }
+    // if (rliza->content.array) {
+    //     printf("JAAAA\n");
+    // }
+    // if (rliza->content.object) {
+    //     rliza_free(rliza->content.object);
+    //    rliza->content.object = NULL;
+    //}
+    if (rliza->type == RLIZA_STRING) {
+        if (rliza->content.string) {
+            free(rliza->content.string);
+            rliza->content.string = NULL;
+            // else if (rliza->type == RLIZA_NUMBER) {
+            //    printf("STDring freed\n");
+        }
+    } else if (rliza->type == RLIZA_OBJECT || rliza->type == RLIZA_ARRAY) {
+
+        if (rliza->content.map) {
+            for (unsigned int i = 0; i < rliza->count; i++) {
+                rliza_free(rliza->content.map[i]);
+            }
+            free(rliza->content.map);
+        }
+    }
+    // free(rliza->content.array);
+    //}
+
+    free(rliza);
+}
+
+rliza_t *rliza_new(rliza_type_t type);
+rliza_t *rliza_new_string(char *string);
+rliza_t *rliza_new_null();
+rliza_t *rliza_new_boolean(bool value);
+rliza_t *rliza_new_number(double value);
+rliza_t *rliza_new_integer(long long value);
+rliza_t *rliza_new_key_value(char *key, rliza_t *value);
+rliza_t *rliza_new_key_string(char *key, char *string);
+rliza_t *rliza_new_key_bool(char *key, bool value);
+rliza_t *rliza_new_key_number(char *key, double value);
+void rliza_push(rliza_t *self, rliza_t *obj);
+void rliza_push_object(rliza_t *self, rliza_t *object);
+void rliza_set_object(rliza_t *self, char *key, rliza_t *object);
+void rliza_set_string(rliza_t *self, char *key, char *string);
+void rliza_set_boolean(rliza_t *self, char *key, bool value);
+void rliza_set_number(rliza_t *self, char *key, double value);
+void rliza_set_integer(rliza_t *self, char *key, long long value);
+char *rliza_get_string(rliza_t *self, char *key);
+long long rliza_get_integer(rliza_t *self, char *key);
+double rliza_get_number(rliza_t *self, char *key);
+bool rliza_get_boolean(rliza_t *self, char *key);
+rliza_t *rliza_get_array(rliza_t *self, char *key);
+rliza_t *rliza_get_object(rliza_t *self, char *key);
+void rliza_set_array(rliza_t *self, char *key, rliza_t *array);
+
+char *rliza_dumps(rliza_t *rliza);
+rliza_t *rliza_loads(char **content);
+rliza_t *_rliza_loads(char **content);
+
+char *rliza_get_string(rliza_t *self, char *key) {
+    for (unsigned int i = 0; i < self->count; i++) {
+        if (self->content.map[i]->key != NULL && strcmp(self->content.map[i]->key, key) == 0) {
+            if (self->content.map[i]->type == RLIZA_STRING || self->content.map[i]->type == RLIZA_NULL) {
+                return self->content.map[i]->content.string;
+            }
+        }
+    }
+    return NULL;
+}
+long long rliza_get_integer(rliza_t *self, char *key) {
+    for (unsigned int i = 0; i < self->count; i++) {
+        if (self->content.map[i]->key != NULL && strcmp(self->content.map[i]->key, key) == 0) {
+            if (self->content.map[i]->type == RLIZA_INTEGER || self->content.map[i]->type == RLIZA_NULL) {
+                return self->content.map[i]->content.integer;
+            }
+        }
+    }
+    return 0;
+}
+
+double rliza_get_number(rliza_t *self, char *key) {
+    for (unsigned int i = 0; i < self->count; i++) {
+        if (self->content.map[i]->key != NULL && strcmp(self->content.map[i]->key, key) == 0) {
+            if (self->content.map[i]->type == RLIZA_NUMBER || self->content.map[i]->type == RLIZA_NULL) {
+                return self->content.map[i]->content.number;
+            }
+        }
+    }
+    return 0;
+}
+
+bool rliza_get_boolean(rliza_t *self, char *key) {
+    for (unsigned int i = 0; i < self->count; i++) {
+        if (self->content.map[i]->key != NULL && strcmp(self->content.map[i]->key, key) == 0) {
+            if (self->content.map[i]->type == RLIZA_BOOLEAN || self->content.map[i]->type == RLIZA_NULL) {
+                return self->content.map[i]->content.boolean;
+            }
+        }
+    }
+    return false;
+}
+
+rliza_t *rliza_get_object(rliza_t *self, char *key) {
+    for (unsigned int i = 0; i < self->count; i++) {
+        if (self->content.map[i]->key != NULL && strcmp(self->content.map[i]->key, key) == 0) {
+            return self->content.map[i];
+        }
+    }
+    return NULL;
+}
+
+rliza_t *rliza_get_array(rliza_t *self, char *key) {
+    for (unsigned int i = 0; i < self->count; i++) {
+        if (self->content.map[i]->key != NULL && strcmp(self->content.map[i]->key, key) == 0) {
+            if (self->content.map[i]->type == RLIZA_ARRAY || self->content.map[i]->type == RLIZA_NULL) {
+                return self->content.map[i];
+            }
+        }
+    }
+    return NULL;
+}
+
+rliza_t *rliza_new_null() {
+    rliza_t *rliza = rliza_new(RLIZA_NULL);
+    return rliza;
+}
+rliza_t *rliza_new_string(char *string) {
+    rliza_t *rliza = rliza_new(RLIZA_STRING);
+    if (string == NULL) {
+        rliza->type = RLIZA_NULL;
+        rliza->content.string = NULL;
+        return rliza;
+    } else {
+        rliza->content.string = strdup(string);
+    }
+    return rliza;
+}
+rliza_t *rliza_new_boolean(bool value) {
+    rliza_t *rliza = rliza_new(RLIZA_BOOLEAN);
+    rliza->content.boolean = value;
+    return rliza;
+}
+
+rliza_t *rliza_new_number(double value) {
+    rliza_t *rliza = rliza_new(RLIZA_NUMBER);
+    rliza->content.number = value;
+    return rliza;
+}
+
+rliza_t *rliza_new_integer(long long value) {
+    rliza_t *rliza = rliza_new(RLIZA_INTEGER);
+    rliza->content.integer = value;
+    return rliza;
+}
+rliza_t *rliza_new_key_array(char *key) {
+    rliza_t *rliza = rliza_new(RLIZA_ARRAY);
+    rliza->key = strdup(key);
+    return rliza;
+}
+
+rliza_t *rliza_new_key_value(char *key, rliza_t *value) {
+    rliza_t *rliza = rliza_new(RLIZA_OBJECT);
+    if (key) {
+        rliza->key = strdup(key);
+    }
+    rliza->value = value;
+    return rliza;
+}
+
+rliza_t *rliza_new_key_string(char *key, char *string) {
+    rliza_t *rliza = rliza_new_key_value(key, rliza_new_string(string));
+    return rliza;
+}
+rliza_t *rliza_new_key_bool(char *key, bool value) {
+    rliza_t *rliza = rliza_new_key_value(key, rliza_new_boolean(value));
+    return rliza;
+}
+rliza_t *rliza_new_key_number(char *key, double value) {
+    rliza_t *rliza = rliza_new_key_value(key, rliza_new_number(value));
+    return rliza;
+}
+
+void rliza_set_null(rliza_t *self, char *key) {
+    rliza_t *obj = rliza_get_object(self, key);
+    if (!obj) {
+        obj = rliza_new_null();
+        obj->key = strdup(key);
+        rliza_push_object(self, obj);
+    }
+    if (obj->type == RLIZA_OBJECT) {
+
+        rliza_free(obj->value);
+        obj->value = NULL;
+    } else if (obj->type == RLIZA_STRING) {
+        if (obj->content.string)
+            free(obj->content.string);
+        obj->content.string = NULL;
+    } else if (obj->type == RLIZA_ARRAY) {
+        for (unsigned int i = 0; i < obj->count; i++) {
+            rliza_free(obj->content.map[i]);
+        }
+    } else if (obj->type == RLIZA_NUMBER) {
+        obj->content.number = 0;
+    } else if (obj->type == RLIZA_INTEGER) {
+        obj->content.integer = 0;
+    }
+    obj->type = RLIZA_NULL;
+}
+
+rliza_t *rliza_duplicate(rliza_t *rliza) {
+    if (!rliza)
+        return NULL;
+    char *str = rliza_dumps(rliza);
+    char *strp = str;
+    rliza_t *obj = rliza_loads(&strp);
+    free(str);
+    return obj;
+}
+
+rliza_t *rliza_new_object(rliza_t *obj) {
+    rliza_t *rliza = rliza_new(RLIZA_OBJECT);
+    rliza->value = obj;
+    return rliza;
+}
+void rliza_set_object(rliza_t *self, char *key, rliza_t *value) {
+    rliza_t *obj = rliza_duplicate(value);
+    obj->key = strdup(key);
+    obj->type = RLIZA_OBJECT;
+    rliza_push(self, obj);
+}
+
+void rliza_set_string(rliza_t *self, char *key, char *string) {
+    rliza_t *obj = rliza_get_object(self, key);
+
+    if (!obj) {
+        obj = rliza_new_string(string);
+        obj->key = strdup(key);
+        obj->type = RLIZA_STRING;
+        rliza_push_object(self, obj);
+    } else {
+        obj->content.string = strdup(string);
+    }
+}
+
+void rliza_set_array(rliza_t *self, char *key, rliza_t *array) {
+    rliza_t *obj = rliza_get_object(self, key);
+    if (obj)
+        rliza_free(obj);
+    if (array->key) {
+        free(array->key);
+        array->key = strdup(key);
+    }
+    rliza_push_object(self, array);
+}
+
+void rliza_set_number(rliza_t *self, char *key, double value) {
+    rliza_t *obj = rliza_get_object(self, key);
+    if (!obj) {
+        obj = rliza_new_number(value);
+        obj->key = strdup(key);
+        obj->type = RLIZA_NUMBER;
+        rliza_push_object(self, obj);
+    } else {
+        obj->content.number = value;
+    }
+}
+
+void rliza_push_object(rliza_t *self, rliza_t *object) {
+    self->content.map = realloc(self->content.map, (sizeof(rliza_t **)) * (self->count + 1));
+    self->content.map[self->count] = object;
+    self->count++;
+}
+void rliza_set_integer(rliza_t *self, char *key, long long value) {
+    rliza_t *obj = rliza_get_object(self, key);
+    if (!obj) {
+        obj = rliza_new_integer(value);
+        obj->key = strdup(key);
+        obj->type = RLIZA_INTEGER;
+        rliza_push_object(self, obj);
+    } else {
+        obj->content.integer = value;
+    }
+}
+
+void rliza_set_boolean(rliza_t *self, char *key, bool value) {
+    rliza_t *obj = rliza_get_object(self, key);
+    if (!obj) {
+        obj = rliza_new_boolean(value);
+        obj->key = strdup(key);
+        obj->type = RLIZA_BOOLEAN;
+
+        rliza_push_object(self, obj);
+    } else {
+        obj->content.boolean = value;
+    }
+}
+
+rliza_t *rliza_new(rliza_type_t type) {
+    rliza_t *rliza = (rliza_t *)calloc(1, sizeof(rliza_t));
+    rliza->type = type;
+    rliza->get_boolean = rliza_get_boolean;
+    rliza->get_integer = rliza_get_integer;
+    rliza->get_number = rliza_get_number;
+    rliza->get_string = rliza_get_string;
+    rliza->get_array = rliza_get_array;
+    rliza->get_object = rliza_get_object;
+    rliza->set_string = rliza_set_string;
+    rliza->set_number = rliza_set_number;
+    rliza->set_boolean = rliza_set_boolean;
+    rliza->set_integer = rliza_set_integer;
+    rliza->set_array = rliza_set_array;
+    rliza->set_object = rliza_set_object;
+
+    return rliza;
+}
+
+void *rliza_coalesce(void *result, void *default_value) {
+    if (result == NULL)
+        return default_value;
+    return result;
+}
+
+char *rliza_seek_string(char **content, char **options) {
+
+    while (**content == ' ' || **content == '\n' || **content == '\t' || **content == '\r') {
+        (*content)++;
+    }
+    if (**content == 0) {
+        return NULL;
+    }
+
+    char *option = NULL;
+    unsigned int option_index = 0;
+
+    while (true) {
+        option = options[option_index];
+        if (option == NULL)
+            break;
+        option_index++;
+        if (option[0] == 'd') {
+            if (**content >= '0' && **content <= '9') {
+                return (char *)*content;
+            }
+        } else if (!strncmp(option, *content, strlen(option))) {
+            return (char *)*content;
+        }
+    }
+    return *content;
+}
+
+char *rliza_extract_quotes(char **content) {
+    rbuffer_t *buffer = rbuffer_new(NULL, 0);
+    assert(**content == '"');
+    char previous = 0;
+    while (true) {
+
+        (*content)++;
+        if (!**content) {
+            rbuffer_free(buffer);
+            return NULL;
+        }
+
+        if (**content == '"' && previous != '\\') {
+            break;
+        }
+        rbuffer_push(buffer, **content);
+        previous = **content;
+    }
+    assert(**content == '"');
+    (*content)++;
+    rbuffer_push(buffer, 0);
+    char *result = (char *)rbuffer_to_string(buffer);
+    return result;
+}
+
+rliza_t *_rliza_loads(char **content) {
+    static char *seek_for1[] = {"[", "{", "\"", "d", "true", "false", "null", NULL};
+    char *token = (char *)rliza_seek_string(content, seek_for1);
+    if (!token)
+        return NULL;
+    rliza_t *rliza = rliza_new(RLIZA_NULL);
+    if (**content == '"') {
+        char *extracted = rliza_extract_quotes(content);
+        if (!extracted) {
+            rliza_free(rliza);
+            return NULL;
+        }
+        //  char *extracted_with_slashes = (char *)malloc(strlen((char *)extracted) * 2 + 1);
+        // rstraddslashes(extracted, extracted_with_slashes);
+        rliza->type = RLIZA_STRING;
+        rliza->content.string = extracted; // extracted_with_slashes; // extracted_without_slashes;
+        // free(extracted);
+        return rliza;
+    } else if (**content == '{') {
+        rliza->type = RLIZA_OBJECT;
+        (*content)++;
+        char *result = NULL;
+        static char *seek_for2[] = {"\"", ",", "}", NULL};
+        while ((result = (char *)rliza_seek_string(content, seek_for2)) != NULL && *result) {
+
+            if (!**content) {
+                rliza_free(rliza);
+                return NULL;
+            }
+            if (**content == ',') {
+                (*content)++;
+                if (!**content) {
+                    rliza_free(rliza);
+                    return NULL;
+                }
+                continue;
+            }
+            char *key = NULL;
+            if (**content == '"') {
+                key = rliza_extract_quotes((char **)content);
+                if (!key || !*key) {
+                    rliza_free(rliza);
+                    return NULL;
+                }
+                char *escaped_key = (char *)malloc(strlen((char *)key) * 2 + 1);
+                rstrstripslashes((char *)key, escaped_key);
+                static char *seek_for3[] = {":", NULL};
+                char *devider = rliza_seek_string(content, seek_for3);
+
+                if (!devider || !*devider) {
+                    free(escaped_key);
+                    free(key);
+                    rliza_free(rliza);
+                    return NULL;
+                }
+                (*content)++;
+                if (!**content) {
+                    free(key);
+                    free(escaped_key);
+                    rliza_free(rliza);
+                    return NULL;
+                }
+                rliza_t *value = _rliza_loads(content);
+                if (!value) {
+                    free(key);
+                    free(escaped_key);
+                    rliza_free(rliza);
+                    return NULL;
+                }
+                if (value->key)
+                    free(value->key);
+                value->key = escaped_key;
+                free(key);
+                rliza_push_object(rliza, value);
+            } else if (**content == '}') {
+                break;
+            } else {
+                // Parse error
+                rliza_free(rliza);
+                return NULL;
+            }
+        };
+        if ((**content != '}')) {
+            rliza_free(rliza);
+            return NULL;
+        }
+        (*content)++;
+        return rliza;
+    } else if (**content == '[') {
+        rliza->type = RLIZA_ARRAY;
+        (*content)++;
+        char *result;
+        static char *seek_for4[] = {"[", "{", "\"", "d", ",", "]", "null", "true", "false", NULL};
+        while ((result = (char *)rliza_seek_string(content, seek_for4)) != NULL && *result) {
+            if (**content == ',') {
+                (*content)++;
+
+            } else if (**content == ']') {
+                break;
+            }
+            rliza_t *obj = _rliza_loads(content);
+            if (!obj) {
+                rliza_free(rliza);
+                return NULL;
+            }
+            rliza_push(rliza, obj);
+            if (!**content) {
+                rliza_free(rliza);
+                return NULL;
+            }
+        }
+        if (**content != ']') {
+            rliza_free(rliza);
+            return NULL;
+        }
+        (*content)++;
+        return rliza;
+    } else if (**content >= '0' && **content <= '9') {
+        char *ptr = *content;
+        bool is_decimal = false;
+
+        while (**content) {
+            if (**content == '.') {
+                is_decimal = true;
+            } else if (!isdigit(**content)) {
+                break;
+            }
+            (*content)++;
+        }
+        if (*(*content - 1) == '.') {
+            rliza_free(rliza);
+            return NULL;
+        }
+        if (!**content) {
+            rliza_free(rliza);
+            return NULL;
+        }
+        if (is_decimal) {
+            rliza->type = RLIZA_NUMBER;
+            rliza->content.number = strtod(ptr, NULL);
+        } else {
+            rliza->type = RLIZA_INTEGER;
+            rliza->content.integer = strtoll(ptr, NULL, 10);
+        }
+        return rliza;
+    } else if (!strncmp(*content, "true", 4)) {
+        rliza->type = RLIZA_BOOLEAN;
+        rliza->content.boolean = true;
+        *content += 4;
+
+        return rliza;
+    } else if (!strncmp(*content, "false", 5)) {
+        rliza->type = RLIZA_BOOLEAN;
+        rliza->content.boolean = false;
+        *content += 5;
+
+        return rliza;
+    } else if (!strncmp(*content, "null", 4)) {
+        rliza->type = RLIZA_NULL;
+        *content += 4;
+
+        return rliza;
+    }
+    // Parsing error
+    rliza_free(rliza);
+    return NULL;
+}
+rliza_t *rliza_loads(char **content) {
+    if (!content || !**content) {
+        return NULL;
+    }
+    char *original_content = *content;
+    rliza_t *result = _rliza_loads(content);
+    if (!result) {
+        *content = original_content;
+    }
+    return result;
+}
+
+char *rliza_dumps(rliza_t *rliza) {
+    size_t size = 4096;
+    char *content = (char *)calloc(size, sizeof(char));
+    content[0] = 0;
+    if (rliza->type == RLIZA_INTEGER) {
+        if (rliza->key) {
+            sprintf(content, "\"%s\":%lld", rliza->key, rliza->content.integer);
+        } else {
+            sprintf(content, "%lld", rliza->content.integer);
+        }
+    } else if (rliza->type == RLIZA_STRING) {
+
+        // char *escaped_string = (char *)calloc(strlen((char *)rliza->content.string) * 2 + 1024,sizeof(char));
+        char *escaped_string = rliza->content.string;
+        // rstrstripslashes((char *)rliza->content.string, escaped_string);
+        size_t min_size = strlen((char *)escaped_string) + (rliza->key ? strlen(rliza->key) : 0) + 1024;
+        if (size < min_size) {
+            size = min_size + 1;
+            content = realloc(content, size);
+        }
+        if (rliza->key) {
+            char *escaped_key = (char *)malloc(strlen((char *)rliza->key) * 2 + 20);
+            rstrstripslashes((char *)rliza->key, escaped_key);
+            if (strlen(content) > size) {
+                size = size + strlen(escaped_string) + 20;
+                content = realloc(content, size);
+            }
+            sprintf(content, "\"%s\":\"%s\"", escaped_key, escaped_string);
+            free(escaped_key);
+        } else {
+            size = size + strlen(escaped_string) + 20;
+            content = realloc(content, size);
+            sprintf(content, "\"%s\"", escaped_string);
+        }
+        // free(escaped_string);
+    } else if (rliza->type == RLIZA_NUMBER) {
+        if (rliza->key) {
+            sprintf(content, "\"%s\":%f", rliza->key, rliza->content.number);
+        } else {
+            sprintf(content, "%f", rliza->content.number);
+        }
+        int last_zero = 0;
+        bool beyond_dot = false;
+        for (size_t i = 0; i < strlen(content); i++) {
+            if (content[i] == '.') {
+                beyond_dot = true;
+            } else if (beyond_dot == true) {
+                if (content[i - 1] != '.') {
+                    if (content[i] == '0') {
+                        if (!last_zero)
+                            last_zero = i;
+                    } else {
+                        last_zero = 0;
+                    }
+                }
+            }
+        }
+        if (last_zero != 0) {
+            content[last_zero] = 0;
+        }
+    } else if (rliza->type == RLIZA_BOOLEAN) {
+        if (rliza->key) {
+            sprintf(content, "\"%s\":%s", rliza->key, rliza->content.boolean ? "true" : "false");
+        } else {
+            sprintf(content, "%s", rliza->content.boolean ? "true" : "false");
+        }
+    } else if (rliza->type == RLIZA_OBJECT) {
+
+        strcat(content, "{");
+        if (rliza->key) {
+            strcat(content, "\"");
+            strcat(content, rliza->key);
+            strcat(content, "\":{");
+        }
+        // bool add_braces = false;
+        for (unsigned i = 0; i < rliza->count; i++) {
+            char *content_chunk = rliza_dumps(rliza->content.map[i]);
+            char *content_chunk_stripped = content_chunk;
+            if (*content_chunk_stripped == '{') {
+                content_chunk_stripped++;
+                content_chunk_stripped[strlen(content_chunk_stripped) - 1] = 0;
+            }
+            if (strlen(content_chunk_stripped) + strlen(content) > size) {
+                size += strlen(content_chunk_stripped) + 20;
+                content = realloc(content, size);
+            }
+            strcat(content, content_chunk_stripped);
+            free(content_chunk);
+
+            strcat(content, ",");
+        }
+        if (content[strlen(content) - 1] == ',') {
+            content[strlen(content) - 1] = '\0';
+
+            if (rliza->key) {
+                strcat(content, "}");
+            }
+        }
+        strcat(content, "}");
+    } else if (rliza->type == RLIZA_ARRAY) {
+        if (rliza->key) {
+            char *escaped_key = (char *)malloc(strlen((char *)rliza->key) * 2 + 1);
+            rstraddslashes((char *)rliza->key, escaped_key);
+            if (strlen(escaped_key) > size) {
+                size = strlen(escaped_key) + 10;
+                content = realloc(content, size);
+            }
+            sprintf(content, "\"%s\":[", escaped_key);
+            free(escaped_key);
+        } else
+            strcpy(content, "[");
+        for (unsigned i = 0; i < rliza->count; i++) {
+            char *content_chunk = rliza_dumps(rliza->content.map[i]);
+            char *content_chunk_stripped = content_chunk;
+            if (*content_chunk_stripped == '{') {
+                // content_chunk_stripped++;
+                // content_chunk_stripped[strlen(content_chunk_stripped) - 1] = 0;
+            }
+            if (strlen(content_chunk_stripped) + strlen(content) > size) {
+                size += strlen(content_chunk_stripped) + 20;
+                content = realloc(content, size);
+            }
+            strcat(content, content_chunk_stripped);
+            free(content_chunk);
+            strcat(content, ",");
+        }
+        if (content[strlen(content) - 1] != '[')
+            content[strlen(content) - 1] = 0;
+        strcat(content, "]");
+    } else if (rliza->type == RLIZA_NULL) {
+
+        if (rliza->key) {
+            char *escaped_key = (char *)malloc(strlen((char *)rliza->key) * 2 + 1);
+            rstraddslashes((char *)rliza->key, escaped_key);
+            sprintf(content, "\"%s\":null", escaped_key);
+            free(escaped_key);
+        } else
+            strcpy(content, "null");
+    }
+    return content;
+}
+
+void rliza_dumpss(rliza_t *rliza) {
+    char *output = rliza_dumps(rliza);
+    printf("%s\n", output);
+    free(output);
+}
+
+void rliza_push(rliza_t *self, rliza_t *obj) { rliza_push_object(self, obj); }
+
+int rliza_validate(char *json_content) {
+    if (!json_content || !*json_content) {
+        return false;
+    }
+    char *json_contentp = json_content;
+    rliza_t *to_object = _rliza_loads(&json_contentp);
+    if (to_object) {
+        rliza_free(to_object);
+        return json_contentp - json_content;
+    }
+    return false;
+}
+
+#endif
+
+#ifndef RCOV_H
+#define RCOV_H
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#ifndef RBENCH_H
+#define RBENCH_H
+
+#ifndef RPRINT_H
+#define RPRINT_H
+
+#ifndef RLIB_TIME
+#define RLIB_TIME
+
+#ifndef _POSIX_C_SOURCE_199309L
+
+#define _POSIX_C_SOURCE_199309L
+#endif
+#include <sys/time.h>
+#include <time.h>
+#undef _POSIX_C_SOURCE_199309L
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC 1
+#endif
+
+typedef uint64_t nsecs_t;
+void nsleep(nsecs_t nanoseconds);
+
+void tick() { nsleep(1); }
+
+typedef unsigned long long msecs_t;
+
+nsecs_t nsecs() {
+    unsigned int lo, hi;
+    __asm__ volatile("rdtsc" : "=a"(lo), "=d"(hi));
+    return ((uint64_t)hi << 32) | lo;
+}
+
+msecs_t rnsecs_to_msecs(nsecs_t nsecs) { return nsecs / 1000 / 1000; }
+
+nsecs_t rmsecs_to_nsecs(msecs_t msecs) { return msecs * 1000 * 1000; }
+
+msecs_t usecs() {
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return (long long)(tv.tv_sec) * 1000000 + (long long)(tv.tv_usec);
+}
+
+msecs_t msecs() {
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return (long long)(tv.tv_sec) * 1000 + (tv.tv_usec / 1000);
+}
+char *msecs_strs(msecs_t ms) {
+    static char str[22];
+    str[0] = 0;
+    sprintf(str, "%f", ms * 0.001);
+    for (int i = strlen(str); i > 0; i--) {
+        if (str[i] > '0')
+            break;
+        str[i] = 0;
+    }
+    return str;
+}
+char *msecs_strms(msecs_t ms) {
+    static char str[22];
+    str[0] = 0;
+    sprintf(str, "%lld", ms);
+    return str;
+}
+char *msecs_str(long long ms) {
+    static char result[30];
+    result[0] = 0;
+    if (ms > 999) {
+        char *s = msecs_strs(ms);
+        sprintf(result, "%ss", s);
+    } else {
+        char *s = msecs_strms(ms);
+        sprintf(result, "%sMs", s);
+    }
+    return result;
+}
+
+void nsleep(nsecs_t nanoseconds) {
+    long seconds = 0;
+    int factor = 0;
+    while (nanoseconds > 1000000000) {
+        factor++;
+        nanoseconds = nanoseconds / 10;
+    }
+    if (factor) {
+        seconds = 1;
+        factor--;
+        while (factor) {
+            seconds = seconds * 10;
+            factor--;
+        }
+    }
+
+    struct timespec req = {seconds, nanoseconds};
+    struct timespec rem;
+
+    nanosleep(&req, &rem);
+}
+
+void ssleep(double s) {
+    long nanoseconds = (long)(1000000000 * s);
+
+    // long seconds = 0;
+
+    // struct timespec req = {seconds, nanoseconds};
+    // struct timespec rem;
+
+    nsleep(nanoseconds);
+}
+void msleep(long miliseonds) {
+    long nanoseconds = miliseonds * 1000000;
+    nsleep(nanoseconds);
+}
+
+char *format_time(int64_t nanoseconds) {
+    char output[1024];
+    size_t output_size = sizeof(output);
+    output[0] = 0;
+    if (nanoseconds < 1000) {
+        // Less than 1 microsecond
+        snprintf(output, output_size, "%ldns", nanoseconds);
+    } else if (nanoseconds < 1000000) {
+        // Less than 1 millisecond
+        double us = nanoseconds / 1000.0;
+        snprintf(output, output_size, "%.2fµs", us);
+    } else if (nanoseconds < 1000000000) {
+        // Less than 1 second
+        double ms = nanoseconds / 1000000.0;
+        snprintf(output, output_size, "%.2fms", ms);
+    } else {
+        // 1 second or more
+        double s = nanoseconds / 1000000000.0;
+        if (s > 60 * 60) {
+            s = s / 60 / 60;
+            snprintf(output, output_size, "%.2fh", s);
+        } else if (s > 60) {
+            s = s / 60;
+            snprintf(output, output_size, "%.2fm", s);
+        } else {
+            snprintf(output, output_size, "%.2fs", s);
+        }
+    }
+    return sbuf(output);
+}
+
+#endif
+
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+long rpline_number = 0;
+nsecs_t rprtime = 0;
+
+int8_t _env_rdisable_colors = -1;
+bool _rprint_enable_colors = true;
+
+bool rprint_is_color_enabled() {
+    if (_env_rdisable_colors == -1) {
+        _env_rdisable_colors = getenv("RDISABLE_COLORS") != NULL;
+    }
+    if (_env_rdisable_colors) {
+        _rprint_enable_colors = false;
+    }
+    return _rprint_enable_colors;
+}
+
+void rprint_disable_colors() { _rprint_enable_colors = false; }
+void rprint_enable_colors() { _rprint_enable_colors = true; }
+void rprint_toggle_colors() { _rprint_enable_colors = !_rprint_enable_colors; }
+
+void rclear() { printf("\033[2J"); }
+
+void rprintpf(FILE *f, const char *prefix, const char *format, va_list args) {
+    char *pprefix = (char *)prefix;
+    char *pformat = (char *)format;
+    bool reset_color = false;
+    bool press_any_key = false;
+    char new_format[4096];
+    bool enable_color = rprint_is_color_enabled();
+    memset(new_format, 0, 4096);
+    int new_format_length = 0;
+    char temp[1000];
+    memset(temp, 0, 1000);
+    if (enable_color && pprefix[0]) {
+        strcat(new_format, pprefix);
+        new_format_length += strlen(pprefix);
+        reset_color = true;
+    }
+    while (true) {
+        if (pformat[0] == '\\' && pformat[1] == 'i') {
+            strcat(new_format, "\e[3m");
+            new_format_length += strlen("\e[3m");
+            reset_color = true;
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'u') {
+            strcat(new_format, "\e[4m");
+            new_format_length += strlen("\e[4m");
+            reset_color = true;
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'b') {
+            strcat(new_format, "\e[1m");
+            new_format_length += strlen("\e[1m");
+            reset_color = true;
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'C') {
+            press_any_key = true;
+            rpline_number++;
+            pformat++;
+            pformat++;
+            reset_color = false;
+        } else if (pformat[0] == '\\' && pformat[1] == 'k') {
+            press_any_key = true;
+            rpline_number++;
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'c') {
+            rpline_number++;
+            strcat(new_format, "\e[2J\e[H");
+            new_format_length += strlen("\e[2J\e[H");
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'L') {
+            rpline_number++;
+            temp[0] = 0;
+            sprintf(temp, "%ld", rpline_number);
+            strcat(new_format, temp);
+            new_format_length += strlen(temp);
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'l') {
+            rpline_number++;
+            temp[0] = 0;
+            sprintf(temp, "%.5ld", rpline_number);
+            strcat(new_format, temp);
+            new_format_length += strlen(temp);
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 'T') {
+            nsecs_t nsecs_now = nsecs();
+            nsecs_t end = rprtime ? nsecs_now - rprtime : 0;
+            temp[0] = 0;
+            sprintf(temp, "%s", format_time(end));
+            strcat(new_format, temp);
+            new_format_length += strlen(temp);
+            rprtime = nsecs_now;
+            pformat++;
+            pformat++;
+        } else if (pformat[0] == '\\' && pformat[1] == 't') {
+            rprtime = nsecs();
+            pformat++;
+            pformat++;
+        } else {
+            new_format[new_format_length] = *pformat;
+            new_format_length++;
+            if (!*pformat)
+                break;
+
+            // printf("%c",*pformat);
+            pformat++;
+        }
+    }
+    if (reset_color) {
+        strcat(new_format, "\e[0m");
+        new_format_length += strlen("\e[0m");
+    }
+
+    new_format[new_format_length] = 0;
+    vfprintf(f, new_format, args);
+
+    fflush(stdout);
+    if (press_any_key) {
+        nsecs_t s = nsecs();
+        fgetc(stdin);
+        rprtime += nsecs() - s;
+    }
+}
+
+void rprintp(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "", format, args);
+    va_end(args);
+}
+
+void rprintf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "", format, args);
+    va_end(args);
+}
+void rprint(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "", format, args);
+    va_end(args);
+}
+#define printf rprint
+
+// Print line
+void rprintlf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\\l", format, args);
+    va_end(args);
+}
+void rprintl(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\\l", format, args);
+    va_end(args);
+}
+
+// Black
+void rprintkf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[30m", format, args);
+    va_end(args);
+}
+void rprintk(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[30m", format, args);
+    va_end(args);
+}
+
+// Red
+void rprintrf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[31m", format, args);
+    va_end(args);
+}
+void rprintr(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[31m", format, args);
+    va_end(args);
+}
+
+// Green
+void rprintgf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[32m", format, args);
+    va_end(args);
+}
+void rprintg(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[32m", format, args);
+    va_end(args);
+}
+
+// Yellow
+void rprintyf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[33m", format, args);
+    va_end(args);
+}
+void rprinty(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[33m", format, args);
+    va_end(args);
+}
+
+// Blue
+void rprintbf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[34m", format, args);
+    va_end(args);
+}
+
+void rprintb(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[34m", format, args);
+    va_end(args);
+}
+
+// Magenta
+void rprintmf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[35m", format, args);
+    va_end(args);
+}
+void rprintm(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[35m", format, args);
+    va_end(args);
+}
+
+// Cyan
+void rprintcf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[36m", format, args);
+    va_end(args);
+}
+void rprintc(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[36m", format, args);
+    va_end(args);
+}
+
+// White
+void rprintwf(FILE *f, const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(f, "\e[37m", format, args);
+    va_end(args);
+}
+void rprintw(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    rprintpf(stdout, "\e[37m", format, args);
+    va_end(args);
+}
+#endif
+#include <errno.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+
+#ifndef RLIB_TERMINAL_H
+#define RLIB_TERMINAL_H
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifndef RTEST_H
+#define RTEST_H
+#ifndef REMO_H
+#define REMO_H
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+typedef struct {
+    const char *str;
+    const char *description;
+} remo_t;
+
+remo_t remo[] = {
+    {"\U0001F600", "Grinning Face"},                   // 😀
+    {"\U0001F601", "Beaming Face with Smiling Eyes"},  // 😁
+    {"\U0001F602", "Face with Tears of Joy"},          // 😂
+    {"\U0001F923", "Rolling on the Floor Laughing"},   // 🤣
+    {"\U0001F603", "Grinning Face with Big Eyes"},     // 😃
+    {"\U0001F604", "Grinning Face with Smiling Eyes"}, // 😄
+    {"\U0001F609", "Winking Face"},                    // 😉
+    {"\U0001F60A", "Smiling Face with Smiling Eyes"},  // 😊
+    {"\U0001F60D", "Smiling Face with Heart-Eyes"},    // 😍
+    {"\U0001F618", "Face Blowing a Kiss"},             // 😘
+    {"\U0001F617", "Kissing Face"},                    // 😗
+    {"\U0001F61A", "Kissing Face with Closed Eyes"},   // 😚
+    {"\U0001F642", "Slightly Smiling Face"},           // 🙂
+    {"\U0001F643", "Upside-Down Face"},                // 🙃
+    {"\U0001F970", "Smiling Face with Hearts"},        // 🥰
+    {"\U0001F60B", "Face Savoring Food"},              // 😋
+    {"\U0001F61B", "Face with Tongue"},                // 😛
+    {"\U0001F61C", "Winking Face with Tongue"},        // 😜
+    {"\U0001F92A", "Zany Face"},                       // 🤪
+    {"\U0001F929", "Star-Struck"},                     // 🤩
+    {"\U0001F631", "Face Screaming in Fear"},          // 😱
+    {"\U0001F62D", "Loudly Crying Face"},              // 😭
+    {"\U0001F624", "Face with Steam From Nose"},       // 😤
+    {"\U0001F620", "Angry Face"},                      // 😠
+    {"\U0001F621", "Pouting Face"},                    // 😡
+    {"\U0001F47B", "Ghost"},                           // 👻
+    {"\U0001F480", "Skull"},                           // 💀
+    {"\U0001F4A9", "Pile of Poo"},                     // 💩
+    {"\U0001F47D", "Alien"},                           // 👽
+                                                       // Geometric Shapes
+    {"\U000025A0", "Black Square"},                    // ■
+    {"\U000025B2", "Upward Triangle"},                 // ▲
+    {"\U000025CF", "Black Circle"},                    // ●
+    {"\U000025CB", "White Circle"},                    // ○
+    {"\U00002B1B", "Large Black Square"},              // ⬛
+    {"\U00002B1C", "Large White Square"},              // ⬜
+
+    // Mathematical Symbols
+    {"\U00002200", "For All"},       // ∀
+    {"\U00002203", "Exists"},        // ∃
+    {"\U00002205", "Empty Set"},     // ∅
+    {"\U00002207", "Nabla"},         // ∇
+    {"\U0000220F", "N-Ary Product"}, // ∏
+    {"\U00002212", "Minus Sign"},    // −
+    {"\U0000221E", "Infinity"},      // ∞
+
+    // Arrows
+    {"\U00002190", "Left Arrow"},        // ←
+    {"\U00002191", "Up Arrow"},          // ↑
+    {"\U00002192", "Right Arrow"},       // →
+    {"\U00002193", "Down Arrow"},        // ↓
+    {"\U00002195", "Up Down Arrow"},     // ↕
+    {"\U00002197", "Up Right Arrow"},    // ↗
+    {"\U00002198", "Down Right Arrow"},  // ↘
+    {"\U000027A1", "Black Right Arrow"}, // ➡️
+
+    // Dingbats
+    {"\U00002714", "Check Mark"},             // ✔️
+    {"\U00002716", "Heavy Multiplication X"}, // ✖️
+    {"\U00002728", "Sparkles"},               // ✨
+    {"\U00002757", "Exclamation Mark"},       // ❗
+    {"\U0000274C", "Cross Mark"},             // ❌
+    {"\U00002795", "Heavy Plus Sign"},        // ➕
+
+    // Miscellaneous Symbols
+    {"\U00002600", "Sun"},                      // ☀️
+    {"\U00002614", "Umbrella with Rain Drops"}, // ☔
+    {"\U00002620", "Skull and Crossbones"},     // ☠️
+    {"\U000026A0", "Warning Sign"},             // ⚠️
+    {"\U000026BD", "Soccer Ball"},              // ⚽
+    {"\U000026C4", "Snowman"},                  // ⛄
+
+    // Stars and Asterisks
+    {"\U00002733", "Eight Pointed Black Star"}, // ✳️
+    {"\U00002734", "Eight Spoked Asterisk"},    // ✴️
+    {"\U00002B50", "White Star"},               // ⭐
+    {"\U0001F31F", "Glowing Star"},             // 🌟
+    {"\U00002728", "Sparkles"},                 // ✨
+                                                // Animals and Nature
+    {"\U0001F98A", "Fox"},                      // 🦊
+    {"\U0001F415", "Dog"},                      // 🐕
+    {"\U0001F431", "Cat Face"},                 // 🐱
+    {"\U0001F435", "Monkey Face"},              // 🐵
+    {"\U0001F408", "Black Cat"},                // 🐈
+    {"\U0001F98C", "Deer"},                     // 🦌
+    {"\U0001F344", "Mushroom"},                 // 🍄
+    {"\U0001F333", "Tree"},                     // 🌳
+
+    // Weather and Space Symbols
+    {"\U0001F308", "Rainbow"},       // 🌈
+    {"\U0001F320", "Shooting Star"}, // 🌠
+    {"\U00002600", "Sun"},           // ☀️
+    {"\U00002601", "Cloud"},         // ☁️
+    {"\U000026A1", "High Voltage"},  // ⚡
+    {"\U0001F525", "Fire"},          // 🔥
+    {"\U000026C4", "Snowman"},       // ⛄
+    {"\U0001F30A", "Water Wave"},    // 🌊
+
+    // Transport and Map Symbols
+    {"\U0001F68C", "Bus"},        // 🚌
+    {"\U0001F697", "Car"},        // 🚗
+    {"\U0001F6B2", "Bicycle"},    // 🚲
+    {"\U0001F6A2", "Ship"},       // 🚢
+    {"\U0001F681", "Helicopter"}, // 🚁
+    {"\U0001F680", "Rocket"},     // 🚀
+    {"\U0001F6EB", "Airplane"},   // 🛫
+
+    // Currency Symbols
+    {"\U00000024", "Dollar Sign"},     // $
+    {"\U000000A3", "Pound Sign"},      // £
+    {"\U000000A5", "Yen Sign"},        // ¥
+    {"\U000020AC", "Euro Sign"},       // €
+    {"\U0001F4B5", "Dollar Banknote"}, // 💵
+    {"\U0001F4B4", "Yen Banknote"},    // 💴
+
+    // Card Suits
+    {"\U00002660", "Black Spade Suit"},   // ♠️
+    {"\U00002663", "Black Club Suit"},    // ♣️
+    {"\U00002665", "Black Heart Suit"},   // ♥️
+    {"\U00002666", "Black Diamond Suit"}, // ♦️
+    {"\U0001F0CF", "Joker Card"},         // 🃏
+
+    // Office Supplies and Objects
+    {"\U0001F4DA", "Books"},                      // 📚
+    {"\U0001F4D7", "Green Book"},                 // 📗
+    {"\U0001F4C8", "Chart with Upwards Trend"},   // 📈
+    {"\U0001F4C9", "Chart with Downwards Trend"}, // 📉
+    {"\U0001F4B0", "Money Bag"},                  // 💰
+    {"\U0001F4B8", "Money with Wings"},           // 💸
+    {"\U0001F4E6", "Package"},                    // 📦
+
+    // Miscellaneous Symbols
+    {"\U00002757", "Exclamation Mark"},       // ❗
+    {"\U00002714", "Check Mark"},             // ✔️
+    {"\U0000274C", "Cross Mark"},             // ❌
+    {"\U00002705", "Check Mark Button"},      // ✅
+    {"\U00002B50", "White Star"},             // ⭐
+    {"\U0001F31F", "Glowing Star"},           // 🌟
+    {"\U0001F4A1", "Light Bulb"},             // 💡
+    {"\U0001F4A3", "Bomb"},                   // 💣
+    {"\U0001F4A9", "Pile of Poo"},            // 💩
+                                              // Musical Symbols
+    {"\U0001F3B5", "Musical Note"},           // 🎵
+    {"\U0001F3B6", "Multiple Musical Notes"}, // 🎶
+    {"\U0001F3BC", "Musical Score"},          // 🎼
+    {"\U0001F399", "Studio Microphone"},      // 🎙️
+    {"\U0001F3A4", "Microphone"},             // 🎤
+
+    // Food and Drink
+    {"\U0001F35F", "Cheese Wedge"},   // 🧀
+    {"\U0001F355", "Slice of Pizza"}, // 🍕
+    {"\U0001F32D", "Taco"},           // 🌮
+    {"\U0001F37D", "Beer Mug"},       // 🍻
+    {"\U0001F96B", "Cup with Straw"}, // 🥤
+    {"\U0001F32E", "Hot Pepper"},     // 🌶️
+    {"\U0001F95A", "Potato"},         // 🥔
+
+    // Zodiac Signs
+    {"\U00002600", "Aries"},       // ♈
+    {"\U00002601", "Taurus"},      // ♉
+    {"\U00002602", "Gemini"},      // ♊
+    {"\U00002603", "Cancer"},      // ♋
+    {"\U00002604", "Leo"},         // ♌
+    {"\U00002605", "Virgo"},       // ♍
+    {"\U00002606", "Libra"},       // ♎
+    {"\U00002607", "Scorpio"},     // ♏
+    {"\U00002608", "Sagittarius"}, // ♐
+    {"\U00002609", "Capricorn"},   // ♑
+    {"\U0000260A", "Aquarius"},    // ♒
+    {"\U0000260B", "Pisces"},      // ♓
+
+    // Miscellaneous Shapes
+    {"\U0001F4C8", "Chart Increasing"}, // 📈
+    {"\U0001F4C9", "Chart Decreasing"}, // 📉
+    {"\U0001F4CA", "Bar Chart"},        // 📊
+    {"\U0001F7E6", "Orange Circle"},    // 🟠
+    {"\U0001F7E7", "Yellow Circle"},    // 🟡
+    {"\U0001F7E8", "Green Circle"},     // 🟢
+    {"\U0001F7E9", "Blue Circle"},      // 🔵
+    {"\U0001F7EA", "Purple Circle"},    // 🟣
+
+    // Flags
+    {"\U0001F1E6\U0001F1E9", "Flag of France"},        // 🇫🇷
+    {"\U0001F1E8\U0001F1E6", "Flag of Germany"},       // 🇩🇪
+    {"\U0001F1FA\U0001F1F8", "Flag of United States"}, // 🇺🇸
+    {"\U0001F1E7\U0001F1F7", "Flag of Canada"},        // 🇨🇦
+    {"\U0001F1EE\U0001F1F2", "Flag of Italy"},         // 🇮🇹
+    {"\U0001F1F8\U0001F1EC", "Flag of Australia"},     // 🇦🇺
+    {"\U0001F1F3\U0001F1F4", "Flag of Spain"},         // 🇪🇸
+
+    // Additional Miscellaneous Symbols
+    {"\U0001F4A5", "Collision"},         // 💥
+    {"\U0001F4A6", "Sweat Droplets"},    // 💦
+    {"\U0001F4A8", "Dashing Away"},      // 💨
+    {"\U0001F50B", "Battery"},           // 🔋
+    {"\U0001F4BB", "Laptop Computer"},   // 💻
+    {"\U0001F4DE", "Telephone"},         // 📞
+    {"\U0001F4E7", "Incoming Envelope"}, // 📧
+};
+size_t remo_count = sizeof(remo) / sizeof(remo[0]);
+
+void rstrtolower(const char *input, char *output) {
+    while (*input) {
+        *output = tolower(*input);
+        input++;
+        output++;
+    }
+    *output = 0;
+}
+bool rstrinstr(const char *haystack, const char *needle) {
+    char lower1[strlen(haystack) + 1];
+    char lower2[strlen(needle) + 1];
+    rstrtolower(haystack, lower1);
+    rstrtolower(needle, lower2);
+    return strstr(lower1, lower2) ? true : false;
+}
+
+void remo_print() {
+
+    for (size_t i = 0; i < remo_count; i++) {
+        printf("%s - %s\n", remo[i].str, remo[i].description);
+    }
+}
+
+const char *remo_get(char *name) {
+    for (size_t i = 0; i < remo_count; i++) {
+        if (rstrinstr(remo[i].description, name)) {
+            return remo[i].str;
+        }
+    }
+    return NULL;
+}
+
+#endif
+#include <stdbool.h>
+#include <stdio.h>
+#include <unistd.h>
+#define debug(fmt, ...) printf("%s:%d: " fmt, __FILE__, __LINE__, __VA_ARGS__);
+
+char *rcurrent_banner;
+int rassert_count = 0;
+unsigned short rtest_is_first = 1;
+unsigned int rtest_fail_count = 0;
+
+int rtest_end(char *content) {
+    // Returns application exit code. 0 == success
+    printf("%s", content);
+    printf("\n@assertions: %d\n", rassert_count);
+    printf("@memory: %s%s\n", rmalloc_stats(), rmalloc_count == 0 ? remo_get("rainbow") : "fire");
+
+    if (rmalloc_count != 0) {
+        printf("MEMORY ERROR %s\n", remo_get("cross mark"));
+        return rtest_fail_count > 0;
+    }
+    return rtest_fail_count > 0;
+}
+
+void rtest_test_banner(char *content, char *file) {
+    if (rtest_is_first == 1) {
+        char delimiter[] = ".";
+        char *d = delimiter;
+        char f[2048];
+        strcpy(f, file);
+        printf("%s tests", strtok(f, d));
+        rtest_is_first = 0;
+        setvbuf(stdout, NULL, _IONBF, 0);
+    }
+    printf("\n - %s ", content);
+}
+
+bool rtest_test_true_silent(char *expr, int res, int line) {
+    rassert_count++;
+    if (res) {
+        return true;
+    }
+    rprintrf(stderr, "\nERROR on line %d: %s", line, expr);
+    rtest_fail_count++;
+    return false;
+}
+
+bool rtest_test_true(char *expr, int res, int line) {
+    rassert_count++;
+    if (res) {
+        fprintf(stdout, "%s", remo_get("Slightly Smiling Face"));
+        return true;
+    }
+    rprintrf(stderr, "\nERROR %s on line %d: %s\n", remo_get("skull"), line, expr);
+    rtest_fail_count++;
+    return false;
+}
+bool rtest_test_false_silent(char *expr, int res, int line) { return rtest_test_true_silent(expr, !res, line); }
+bool rtest_test_false(char *expr, int res, int line) { return rtest_test_true(expr, !res, line); }
+void rtest_test_skip(char *expr, int line) { rprintgf(stderr, "\n @skip(%s) on line %d\n", expr, line); }
+void rtest_test_assert(char *expr, int res, int line) {
+    if (rtest_test_true(expr, res, line)) {
+        return;
+    }
+    rtest_end("");
+    exit(40);
+}
+
+#define rtest_banner(content)                                                                                                              \
+    rcurrent_banner = content;                                                                                                             \
+    rtest_test_banner(content, __FILE__);
+#define rtest_true(expr) rtest_test_true(#expr, expr, __LINE__);
+#define rtest_assert(expr)                                                                                                                 \
+    {                                                                                                                                      \
+        int __valid = expr ? 1 : 0;                                                                                                        \
+        rtest_test_true(#expr, __valid, __LINE__);                                                                                         \
+    };                                                                                                                                     \
+    ;
+
+#define rassert(expr)                                                                                                                      \
+    {                                                                                                                                      \
+        int __valid = expr ? 1 : 0;                                                                                                        \
+        rtest_test_true(#expr, __valid, __LINE__);                                                                                         \
+    };                                                                                                                                     \
+    ;
+#define rtest_asserts(expr)                                                                                                                \
+    {                                                                                                                                      \
+        int __valid = expr ? 1 : 0;                                                                                                        \
+        rtest_test_true_silent(#expr, __valid, __LINE__);                                                                                  \
+    };
+#define rasserts(expr)                                                                                                                     \
+    {                                                                                                                                      \
+        int __valid = expr ? 1 : 0;                                                                                                        \
+        rtest_test_true_silent(#expr, __valid, __LINE__);                                                                                  \
+    };
+#define rtest_false(expr)                                                                                                                  \
+    rprintf(" [%s]\t%s\t\n", expr == 0 ? "OK" : "NOK", #expr);                                                                             \
+    assert_count++;                                                                                                                        \
+    assert(#expr);
+#define rtest_skip(expr) rtest_test_skip(#expr, __LINE__);
+
+FILE *rtest_create_file(char *path, char *content) {
+    FILE *fd = fopen(path, "wb");
+
+    char c;
+    int index = 0;
+
+    while ((c = content[index]) != 0) {
+        fputc(c, fd);
+        index++;
+    }
+    fclose(fd);
+    fd = fopen(path, "rb");
+    return fd;
+}
+
+void rtest_delete_file(char *path) { unlink(path); }
+#endif
+
+char *rfcaptured = NULL;
+
+void rfcapture(FILE *f, char *buff, size_t size) {
+    rfcaptured = buff;
+    setvbuf(f, rfcaptured, _IOFBF, size);
+}
+void rfstopcapture(FILE *f) { setvbuf(f, 0, _IOFBF, 0); }
+
+bool _r_disable_stdout_toggle = false;
+
+FILE *_r_original_stdout = NULL;
+
+bool rr_enable_stdout() {
+    if (_r_disable_stdout_toggle)
+        return false;
+    if (!_r_original_stdout) {
+        stdout = fopen("/dev/null", "rb");
+        return false;
+    }
+    if (_r_original_stdout && _r_original_stdout != stdout) {
+        fclose(stdout);
+    }
+    stdout = _r_original_stdout;
+    return true;
+}
+bool rr_disable_stdout() {
+    if (_r_disable_stdout_toggle) {
+        return false;
+    }
+    if (_r_original_stdout == NULL) {
+        _r_original_stdout = stdout;
+    }
+    if (stdout == _r_original_stdout) {
+        stdout = fopen("/dev/null", "rb");
+        return true;
+    }
+    return false;
+}
+bool rr_toggle_stdout() {
+    if (!_r_original_stdout) {
+        rr_disable_stdout();
+        return true;
+    } else if (stdout != _r_original_stdout) {
+        rr_enable_stdout();
+        return true;
+    } else {
+        rr_disable_stdout();
+        return true;
+    }
+}
+
+typedef struct rprogressbar_t {
+    unsigned long current_value;
+    unsigned long min_value;
+    unsigned long max_value;
+    unsigned int length;
+    bool changed;
+    double percentage;
+    unsigned int width;
+    unsigned long draws;
+    FILE *fout;
+} rprogressbar_t;
+
+rprogressbar_t *rprogressbar_new(long min_value, long max_value, unsigned int width, FILE *fout) {
+    rprogressbar_t *pbar = (rprogressbar_t *)malloc(sizeof(rprogressbar_t));
+    pbar->min_value = min_value;
+    pbar->max_value = max_value;
+    pbar->current_value = min_value;
+    pbar->width = width;
+    pbar->draws = 0;
+    pbar->length = 0;
+    pbar->changed = false;
+    pbar->fout = fout ? fout : stdout;
+    return pbar;
+}
+
+void rprogressbar_free(rprogressbar_t *pbar) { free(pbar); }
+
+void rprogressbar_draw(rprogressbar_t *pbar) {
+    if (!pbar->changed) {
+        return;
+    } else {
+        pbar->changed = false;
+    }
+    pbar->draws++;
+    char draws_text[22];
+    draws_text[0] = 0;
+    sprintf(draws_text, "%ld", pbar->draws);
+    char *draws_textp = draws_text;
+    // bool draws_text_len = strlen(draws_text);
+    char bar_begin_char = ' ';
+    char bar_progress_char = ' ';
+    char bar_empty_char = ' ';
+    char bar_end_char = ' ';
+    char content[4096] = {0};
+    char bar_content[1024];
+    char buff[2048] = {0};
+    bar_content[0] = '\r';
+    bar_content[1] = bar_begin_char;
+    unsigned int index = 2;
+    for (unsigned long i = 0; i < pbar->length; i++) {
+        if (*draws_textp) {
+            bar_content[index] = *draws_textp;
+            draws_textp++;
+        } else {
+            bar_content[index] = bar_progress_char;
+        }
+        index++;
+    }
+    char infix[] = "\033[0m";
+    for (unsigned long i = 0; i < strlen(infix); i++) {
+        bar_content[index] = infix[i];
+        index++;
+    }
+    for (unsigned long i = 0; i < pbar->width - pbar->length; i++) {
+        bar_content[index] = bar_empty_char;
+        index++;
+    }
+    bar_content[index] = bar_end_char;
+    bar_content[index + 1] = '\0';
+    sprintf(buff, "\033[43m%s\033[0m \033[33m%.2f%%\033[0m ", bar_content, pbar->percentage * 100);
+    strcat(content, buff);
+    if (pbar->width == pbar->length) {
+        strcat(content, "\r");
+        for (unsigned long i = 0; i < pbar->width + 10; i++) {
+            strcat(content, " ");
+        }
+        strcat(content, "\r");
+    }
+    fprintf(pbar->fout, "%s", content);
+    fflush(pbar->fout);
+}
+
+bool rprogressbar_update(rprogressbar_t *pbar, unsigned long value) {
+    if (value == pbar->current_value) {
+        return false;
+    }
+    pbar->current_value = value;
+    pbar->percentage = (double)pbar->current_value / (double)(pbar->max_value - pbar->min_value);
+    unsigned long new_length = (unsigned long)(pbar->percentage * pbar->width);
+    pbar->changed = new_length != pbar->length;
+    if (pbar->changed) {
+        pbar->length = new_length;
+        rprogressbar_draw(pbar);
+        return true;
+    }
+    return false;
+}
+
+size_t rreadline(char *data, size_t len, bool strip_ln) {
+    __attribute__((unused)) char *unused = fgets(data, len, stdin);
+    size_t length = strlen(data);
+    if (length && strip_ln)
+        data[length - 1] = 0;
+    return length;
+}
+
+void rlib_test_progressbar() {
+    rtest_banner("Progress bar");
+    rprogressbar_t *pbar = rprogressbar_new(0, 1000, 10, stderr);
+    rprogressbar_draw(pbar);
+    // No draws executed, nothing to show
+    rassert(pbar->draws == 0);
+    rprogressbar_update(pbar, 500);
+    rassert(pbar->percentage == 0.5);
+    rprogressbar_update(pbar, 500);
+    rprogressbar_update(pbar, 501);
+    rprogressbar_update(pbar, 502);
+    // Should only have drawn one time since value did change, but percentage
+    // did not
+    rassert(pbar->draws == 1);
+    // Changed is false because update function calls draw
+    rassert(pbar->changed == false);
+    rprogressbar_update(pbar, 777);
+    rassert(pbar->percentage == 0.777);
+    rprogressbar_update(pbar, 1000);
+    rassert(pbar->percentage == 1);
+}
+
+#endif
+
+#define RBENCH(times, action)                                                                                                              \
+    {                                                                                                                                      \
+        unsigned long utimes = (unsigned long)times;                                                                                       \
+        nsecs_t start = nsecs();                                                                                                           \
+        for (unsigned long i = 0; i < utimes; i++) {                                                                                       \
+            {                                                                                                                              \
+                action;                                                                                                                    \
+            }                                                                                                                              \
+        }                                                                                                                                  \
+        nsecs_t end = nsecs();                                                                                                             \
+        printf("%s\n", format_time(end - start));                                                                                          \
+    }
+
+#define RBENCHP(times, action)                                                                                                             \
+    {                                                                                                                                      \
+        printf("\n");                                                                                                                      \
+        nsecs_t start = nsecs();                                                                                                           \
+        unsigned int prev_percentage = 0;                                                                                                  \
+        unsigned long utimes = (unsigned long)times;                                                                                       \
+        for (unsigned long i = 0; i < utimes; i++) {                                                                                       \
+            unsigned int percentage = ((long double)i / (long double)times) * 100;                                                         \
+            int percentage_changed = percentage != prev_percentage;                                                                        \
+            __attribute__((unused)) int first = i == 0;                                                                                    \
+            __attribute__((unused)) int last = i == utimes - 1;                                                                            \
+            { action; };                                                                                                                   \
+            if (percentage_changed) {                                                                                                      \
+                printf("\r%d%%", percentage);                                                                                              \
+                fflush(stdout);                                                                                                            \
+                                                                                                                                           \
+                prev_percentage = percentage;                                                                                              \
+            }                                                                                                                              \
+        }                                                                                                                                  \
+        nsecs_t end = nsecs();                                                                                                             \
+        printf("\r%s\n", format_time(end - start));                                                                                        \
+    }
+
+struct rbench_t;
+
+typedef struct rbench_function_t {
+#ifdef __cplusplus
+    void (*call)();
+#else
+    void(*call);
+#endif
+    char name[256];
+    char group[256];
+    void *arg;
+    void *data;
+    bool first;
+    bool last;
+    int argc;
+    unsigned long times_executed;
+
+    nsecs_t average_execution_time;
+    nsecs_t total_execution_time;
+} rbench_function_t;
+
+typedef struct rbench_t {
+    unsigned int function_count;
+    rbench_function_t functions[100];
+    rbench_function_t *current;
+    rprogressbar_t *progress_bar;
+    bool show_progress;
+    int winner;
+    bool stdout;
+    unsigned long times;
+    bool silent;
+    nsecs_t execution_time;
+#ifdef __cplusplus
+    void (*add_function)(struct rbench_t *r, const char *name, const char *group, void (*)());
+#else
+    void (*add_function)(struct rbench_t *r, const char *name, const char *group, void *);
+#endif
+    void (*rbench_reset)(struct rbench_t *r);
+    struct rbench_t *(*execute)(struct rbench_t *r, long times);
+    struct rbench_t *(*execute1)(struct rbench_t *r, long times, void *arg1);
+    struct rbench_t *(*execute2)(struct rbench_t *r, long times, void *arg1, void *arg2);
+    struct rbench_t *(*execute3)(struct rbench_t *r, long times, void *arg1, void *arg2, void *arg3);
+
+} rbench_t;
+
+FILE *_rbench_stdout = NULL;
+FILE *_rbench_stdnull = NULL;
+
+void rbench_toggle_stdout(rbench_t *r) {
+    if (!r->stdout) {
+        if (_rbench_stdout == NULL) {
+            _rbench_stdout = stdout;
+        }
+        if (_rbench_stdnull == NULL) {
+            _rbench_stdnull = fopen("/dev/null", "wb");
+        }
+        if (stdout == _rbench_stdout) {
+            stdout = _rbench_stdnull;
+        } else {
+            stdout = _rbench_stdout;
+        }
+    }
+}
+void rbench_restore_stdout(rbench_t *r) {
+    if (r->stdout)
+        return;
+    if (_rbench_stdout) {
+        stdout = _rbench_stdout;
+    }
+    if (_rbench_stdnull) {
+        fclose(_rbench_stdnull);
+        _rbench_stdnull = NULL;
+    }
+}
+
+rbench_t *rbench_new();
+
+rbench_t *_rbench = NULL;
+rbench_function_t *rbf;
+rbench_t *rbench() {
+    if (_rbench == NULL) {
+        _rbench = rbench_new();
+    }
+    return _rbench;
+}
+
+typedef void *(*rbench_call)();
+typedef void *(*rbench_call1)(void *);
+typedef void *(*rbench_call2)(void *, void *);
+typedef void *(*rbench_call3)(void *, void *, void *);
+
+#ifdef __cplusplus
+void rbench_add_function(rbench_t *rp, const char *name, const char *group, void (*call)()) {
+#else
+void rbench_add_function(rbench_t *rp, const char *name, const char *group, void *call) {
+#endif
+    rbench_function_t *f = &rp->functions[rp->function_count];
+    rp->function_count++;
+    f->average_execution_time = 0;
+    f->total_execution_time = 0;
+    f->times_executed = 0;
+    f->call = call;
+    strcpy(f->name, name);
+    strcpy(f->group, group);
+}
+
+void rbench_reset_function(rbench_function_t *f) {
+    f->average_execution_time = 0;
+    f->times_executed = 0;
+    f->total_execution_time = 0;
+}
+
+void rbench_reset(rbench_t *rp) {
+    for (unsigned int i = 0; i < rp->function_count; i++) {
+        rbench_reset_function(&rp->functions[i]);
+    }
+}
+int rbench_get_winner_index(rbench_t *r) {
+    int winner = 0;
+    nsecs_t time = 0;
+    for (unsigned int i = 0; i < r->function_count; i++) {
+        if (time == 0 || r->functions[i].total_execution_time < time) {
+            winner = i;
+            time = r->functions[i].total_execution_time;
+        }
+    }
+    return winner;
+}
+bool rbench_was_last_function(rbench_t *r) {
+    for (unsigned int i = 0; i < r->function_count; i++) {
+        if (i == r->function_count - 1 && r->current == &r->functions[i])
+            return true;
+    }
+    return false;
+}
+
+rbench_function_t *rbench_execute_prepare(rbench_t *r, int findex, long times, int argc) {
+    rbench_toggle_stdout(r);
+    if (findex == 0) {
+        r->execution_time = 0;
+    }
+    rbench_function_t *rf = &r->functions[findex];
+    rf->argc = argc;
+    rbf = rf;
+    r->current = rf;
+    if (r->show_progress)
+        r->progress_bar = rprogressbar_new(0, times, 20, stderr);
+    r->times = times;
+    // printf("   %s:%s gets executed for %ld times with %d
+    // arguments.\n",rf->group, rf->name, times,argc);
+    rbench_reset_function(rf);
+
+    return rf;
+}
+void rbench_execute_finish(rbench_t *r) {
+    rbench_toggle_stdout(r);
+    if (r->progress_bar) {
+        free(r->progress_bar);
+        r->progress_bar = NULL;
+    }
+    r->current->average_execution_time = r->current->total_execution_time / r->current->times_executed;
+    ;
+    // printf("   %s:%s finished executing in
+    // %s\n",r->current->group,r->current->name,
+    // format_time(r->current->total_execution_time));
+    // rbench_show_results_function(r->current);
+    if (rbench_was_last_function(r)) {
+        rbench_restore_stdout(r);
+        unsigned int winner_index = rbench_get_winner_index(r);
+        r->winner = winner_index + 1;
+        if (!r->silent)
+            rprintgf(stderr, "Benchmark results:\n");
+        nsecs_t total_time = 0;
+
+        for (unsigned int i = 0; i < r->function_count; i++) {
+            rbf = &r->functions[i];
+            total_time += rbf->total_execution_time;
+            bool is_winner = winner_index == i;
+            if (is_winner) {
+                if (!r->silent)
+                    rprintyf(stderr, " > %s:%s:%s\n", format_time(rbf->total_execution_time), rbf->group, rbf->name);
+            } else {
+                if (!r->silent)
+                    rprintbf(stderr, "   %s:%s:%s\n", format_time(rbf->total_execution_time), rbf->group, rbf->name);
+            }
+        }
+        if (!r->silent)
+            rprintgf(stderr, "Total execution time: %s\n", format_time(total_time));
+    }
+    rbench_restore_stdout(r);
+    rbf = NULL;
+    r->current = NULL;
+}
+struct rbench_t *rbench_execute(rbench_t *r, long times) {
+
+    for (unsigned int i = 0; i < r->function_count; i++) {
+
+        rbench_function_t *f = rbench_execute_prepare(r, i, times, 0);
+        rbench_call c = (rbench_call)f->call;
+        nsecs_t start = nsecs();
+        f->first = true;
+        c();
+        f->first = false;
+        f->last = false;
+        f->times_executed++;
+        for (int j = 1; j < times; j++) {
+            c();
+            f->times_executed++;
+            f->last = f->times_executed == r->times - 1;
+            if (r->progress_bar) {
+                rprogressbar_update(r->progress_bar, f->times_executed);
+            }
+        }
+        f->total_execution_time = nsecs() - start;
+        r->execution_time += f->total_execution_time;
+        rbench_execute_finish(r);
+    }
+    return r;
+}
+
+struct rbench_t *rbench_execute1(rbench_t *r, long times, void *arg1) {
+
+    for (unsigned int i = 0; i < r->function_count; i++) {
+        rbench_function_t *f = rbench_execute_prepare(r, i, times, 1);
+        rbench_call1 c = (rbench_call1)f->call;
+        nsecs_t start = nsecs();
+        f->first = true;
+        c(arg1);
+        f->first = false;
+        f->last = false;
+        f->times_executed++;
+        for (int j = 1; j < times; j++) {
+            c(arg1);
+            f->times_executed++;
+            f->last = f->times_executed == r->times - 1;
+            if (r->progress_bar) {
+                rprogressbar_update(r->progress_bar, f->times_executed);
+            }
+        }
+        f->total_execution_time = nsecs() - start;
+        r->execution_time += f->total_execution_time;
+        rbench_execute_finish(r);
+    }
+    return r;
+}
+
+struct rbench_t *rbench_execute2(rbench_t *r, long times, void *arg1, void *arg2) {
+
+    for (unsigned int i = 0; i < r->function_count; i++) {
+        rbench_function_t *f = rbench_execute_prepare(r, i, times, 2);
+        rbench_call2 c = (rbench_call2)f->call;
+        nsecs_t start = nsecs();
+        f->first = true;
+        c(arg1, arg2);
+        f->first = false;
+        f->last = false;
+        f->times_executed++;
+        for (int j = 1; j < times; j++) {
+            c(arg1, arg2);
+            f->times_executed++;
+            f->last = f->times_executed == r->times - 1;
+            if (r->progress_bar) {
+                rprogressbar_update(r->progress_bar, f->times_executed);
+            }
+        }
+        f->total_execution_time = nsecs() - start;
+        r->execution_time += f->total_execution_time;
+        rbench_execute_finish(r);
+    }
+    return r;
+}
+
+struct rbench_t *rbench_execute3(rbench_t *r, long times, void *arg1, void *arg2, void *arg3) {
+
+    for (unsigned int i = 0; i < r->function_count; i++) {
+        rbench_function_t *f = rbench_execute_prepare(r, i, times, 3);
+
+        rbench_call3 c = (rbench_call3)f->call;
+        nsecs_t start = nsecs();
+        f->first = true;
+        c(arg1, arg2, arg3);
+        f->first = false;
+        f->last = false;
+        f->times_executed++;
+        for (int j = 1; j < times; j++) {
+            c(arg1, arg2, arg3);
+            f->times_executed++;
+            f->last = f->times_executed == r->times - 1;
+            if (r->progress_bar) {
+                rprogressbar_update(r->progress_bar, f->times_executed);
+            }
+        }
+        f->total_execution_time = nsecs() - start;
+        rbench_execute_finish(r);
+    }
+    return r;
+}
+
+rbench_t *rbench_new() {
+
+    rbench_t *r = (rbench_t *)malloc(sizeof(rbench_t));
+    memset(r, 0, sizeof(rbench_t));
+    r->add_function = rbench_add_function;
+    r->rbench_reset = rbench_reset;
+    r->execute1 = rbench_execute1;
+    r->execute2 = rbench_execute2;
+    r->execute3 = rbench_execute3;
+    r->execute = rbench_execute;
+    r->stdout = true;
+    r->silent = false;
+    r->winner = 0;
+    r->show_progress = true;
+    return r;
+}
+void rbench_free(rbench_t *r) { free(r); }
+
+#endif
+bool check_lcov() {
+    char buffer[1024 * 64];
+    FILE *fp;
+    fp = popen("lcov --help", "r");
+    if (fp == NULL) {
+        return false;
+    }
+    if (fgets(buffer, sizeof(buffer), fp) == NULL) {
+        return false;
+    }
+    pclose(fp);
+    return strstr(buffer, "lcov: not found") ? false : true;
+}
+
+int rcov_main(int argc, char *argv[]) {
+    if (argc < 2) {
+        printf("Usage: [source.c]\n");
+        return 1;
+    }
+    char argstr[4096] = {0};
+    for (int i = 2; i < argc; i++) {
+        strcat(argstr, argv[i]);
+        strcat(argstr, " ");
+    }
+    if (!check_lcov()) {
+
+        printf("lcov is not installed. Please execute `sudo apt install lcov`.\n");
+        return 1;
+    }
+    char *source_file = argv[1];
+    char *commands[] = {"rm -f *.gcda   2>/dev/null",
+                        "rm -f *.gcno   2>/dev/null",
+                        "rm -f %s.coverage.info   2>/dev/null",
+                        "gcc -pg -fprofile-arcs -ftest-coverage -g -o %s_coverage.o %s",
+                        "./%s_coverage.o",
+                        "lcov --capture --directory . --output-file %s.coverage.info",
+                        "genhtml %s.coverage.info --output-directory /tmp/%s.coverage",
+                        "rm -f *.gcda   2>/dev/null",
+                        "rm -f *.gcno   2>/dev/null",
+                        "rm -f %s.coverage.info   2>/dev/null", //"cat gmon.out",
+
+                        "gprof %s_coverage.o gmon.out > output.rcov_analysis",
+
+                        "rm -f gmon.out",
+                        "cat output.rcov_analysis",
+                        "rm output.rcov_analysis",
+                        "rm -f %s_coverage.o",
+
+                        "google-chrome /tmp/%s.coverage/index.html"};
+    uint command_count = sizeof(commands) / sizeof(commands[0]);
+    RBENCH(1,{
+        for (uint i = 0; i < command_count; i++) {
+            char *formatted_command = sbuf("");
+            sprintf(formatted_command, commands[i], source_file, source_file);
+            // printf("%s\n", formatted_command);
+            if (formatted_command[0] == '.' && formatted_command[1] == '/') {
+                strcat(formatted_command, " ");
+                strcat(formatted_command, argstr);
+            }
+
+            if (system(formatted_command)) {
+                printf("`%s` returned non-zero code.\n", formatted_command);
+            }
+        });
+    }
+    return 0;
+}
+#endif
+
+#ifndef RHTTP_H
+#define RHTTP_H
+#include <arpa/inet.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#define BUFF_SIZE 8096
+#define RHTTP_MAX_CONNECTIONS 100
+
+int rhttp_opt_error = 1;
+int rhttp_opt_warn = 1;
+int rhttp_opt_info = 1;
+int rhttp_opt_port = 8080;
+int rhttp_opt_debug = 0;
+int rhttp_opt_request_logging = 0;
+int rhttp_sock = 0;
+int rhttp_opt_buffered = 0;
+int rhttp_c = 0;
+int rhttp_c_mutex_initialized = 0;
+pthread_mutex_t rhttp_c_mutex;
+char rhttp_opt_host[1024] = "0.0.0.0";
+unsigned int rhttp_connections_handled = 0;
+
+typedef struct rhttp_header_t {
+    char *name;
+    char *value;
+    struct rhttp_header_t *next;
+} rhttp_header_t;
+
+typedef struct rhttp_request_t {
+    int c;
+    int closed;
+    bool keep_alive;
+    nsecs_t start;
+    char *raw;
+    char *line;
+    char *body;
+    char *method;
+    char *path;
+    char *version;
+    void *context;
+    unsigned int bytes_received;
+    rhttp_header_t *headers;
+} rhttp_request_t;
+
+char *rhttp_current_timestamp() {
+    time_t current_time;
+    time(&current_time);
+    struct tm *local_time = localtime(&current_time);
+    static char time_string[100];
+    time_string[0] = 0;
+    strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", local_time);
+
+    return time_string;
+}
+
+void rhttp_logs(const char *prefix, const char *level, const char *format, va_list args) {
+    char buf[strlen(format) + BUFSIZ + 1];
+    buf[0] = 0;
+    sprintf(buf, "%s%s %s %s\e[0m", prefix, rhttp_current_timestamp(), level, format);
+    vfprintf(stdout, buf, args);
+}
+void rhttp_log_info(const char *format, ...) {
+    if (!rhttp_opt_info)
+        return;
+    va_list args;
+    va_start(args, format);
+    rhttp_logs("\e[32m", "INFO ", format, args);
+    va_end(args);
+}
+void rhttp_log_debug(const char *format, ...) {
+    if (!rhttp_opt_debug)
+        return;
+    va_list args;
+    va_start(args, format);
+    if (rhttp_opt_debug)
+        rhttp_logs("\e[33m", "DEBUG", format, args);
+
+    va_end(args);
+}
+void rhttp_log_warn(const char *format, ...) {
+    if (!rhttp_opt_warn)
+        return;
+    va_list args;
+    va_start(args, format);
+    rhttp_logs("\e[34m", "WARN ", format, args);
+
+    va_end(args);
+}
+void rhttp_log_error(const char *format, ...) {
+    if (!rhttp_opt_error)
+        return;
+    va_list args;
+    va_start(args, format);
+    rhttp_logs("\e[35m", "ERROR", format, args);
+
+    va_end(args);
+}
+
+void http_request_init(rhttp_request_t *r) {
+    r->raw = NULL;
+    r->line = NULL;
+    r->body = NULL;
+    r->method = NULL;
+    r->path = NULL;
+    r->version = NULL;
+    r->start = 0;
+    r->headers = NULL;
+    r->bytes_received = 0;
+    r->closed = 0;
+}
+
+void rhttp_free_header(rhttp_header_t *h) {
+    if (!h)
+        return;
+    rhttp_header_t *next = h->next;
+    free(h->name);
+    free(h->value);
+    free(h);
+    if (next)
+        rhttp_free_header(next);
+}
+void rhttp_rhttp_free_headers(rhttp_request_t *r) {
+    if (!r->headers)
+        return;
+    rhttp_free_header(r->headers);
+    r->headers = NULL;
+}
+
+rhttp_header_t *rhttp_parse_headers(rhttp_request_t *s) {
+    int first = 1;
+    char *body = strdup(s->body);
+    char *body_original = body;
+    while (body && *body) {
+        char *line = __strtok_r(first ? body : NULL, "\r\n", &body);
+        if (!line)
+            break;
+        rhttp_header_t *h = (rhttp_header_t *)malloc(sizeof(rhttp_header_t));
+        h->name = NULL;
+        h->value = NULL;
+        h->next = NULL;
+        char *name = __strtok_r(line, ": ", &line);
+        first = 0;
+        if (!name) {
+            rhttp_free_header(h);
+            break;
+        }
+        h->name = strdup(name);
+        char *value = __strtok_r(NULL, "\r\n", &line);
+        if (!value) {
+            rhttp_free_header(h);
+            break;
+        }
+        h->value = value ? strdup(value + 1) : strdup("");
+        h->next = s->headers;
+        s->headers = h;
+    }
+    free(body_original);
+    return s->headers;
+}
+
+void rhttp_free_request(rhttp_request_t *r) {
+    if (r->raw) {
+        free(r->raw);
+        free(r->body);
+        free(r->method);
+        free(r->path);
+        free(r->version);
+        rhttp_rhttp_free_headers(r);
+    }
+    free(r);
+}
+
+long rhttp_header_get_long(rhttp_request_t *r, const char *name) {
+    rhttp_header_t *h = r->headers;
+    while (h) {
+        if (!strcmp(h->name, name))
+            return strtol(h->value, NULL, 10);
+        h = h->next;
+    }
+    return -1;
+}
+char *rhttp_header_get_string(rhttp_request_t *r, const char *name) {
+    rhttp_header_t *h = r->headers;
+    while (h) {
+        if (!strcmp(h->name, name))
+            return h->value && *h->value ? h->value : NULL;
+        h = h->next;
+    }
+    return NULL;
+}
+
+void rhttp_print_header(rhttp_header_t *h) { rhttp_log_debug("Header: <%s> \"%s\"\n", h->name, h->value); }
+void rhttp_print_headers(rhttp_header_t *h) {
+    while (h) {
+        rhttp_print_header(h);
+        h = h->next;
+    }
+}
+void rhttp_print_request_line(rhttp_request_t *r) { rhttp_log_info("%s %s %s\n", r->method, r->path, r->version); }
+void rhttp_print_request(rhttp_request_t *r) {
+    rhttp_print_request_line(r);
+    if (rhttp_opt_debug)
+        rhttp_print_headers(r->headers);
+}
+void rhttp_close(rhttp_request_t *r) {
+    if (!r)
+        return;
+    if (!r->closed)
+        close(r->c);
+    rhttp_free_request(r);
+}
+rhttp_request_t *rhttp_parse_request(int s) {
+    rhttp_request_t *request = (rhttp_request_t *)malloc(sizeof(rhttp_request_t));
+    http_request_init(request);
+    char buf[BUFF_SIZE] = {0};
+    request->c = s;
+    int breceived = 0;
+    while (!rstrendswith(buf, "\r\n\r\n")) {
+        int chunk_size = read(s, buf + breceived, 1);
+        if (chunk_size <= 0) {
+            close(request->c);
+            request->closed = 1;
+            return request;
+        }
+        breceived += chunk_size;
+    }
+    if (breceived <= 0) {
+        close(request->c);
+        request->closed = 1;
+        return request;
+    }
+    buf[breceived] = '\0';
+    char *original_buf = buf;
+
+    char *b = original_buf;
+    request->raw = strdup(b);
+    b = original_buf;
+    char *line = strtok(b, "\r\n");
+    b = original_buf;
+    char *body = b + strlen(line) + 2;
+    request->body = strdup(body);
+    b = original_buf;
+    char *method = strtok(b, " ");
+    char *path = strtok(NULL, " ");
+    char *version = strtok(NULL, " ");
+    request->bytes_received = breceived;
+    request->line = line;
+    request->start = nsecs();
+    request->method = strdup(method);
+    request->path = strdup(path);
+    request->version = strdup(version);
+    request->headers = NULL;
+    request->keep_alive = false;
+    if (rhttp_parse_headers(request)) {
+        char *keep_alive_string = rhttp_header_get_string(request, "Connection");
+        if (keep_alive_string && !strcmp(keep_alive_string, "keep-alive")) {
+            request->keep_alive = 1;
+        }
+    }
+    return request;
+}
+
+void rhttp_close_server() {
+    close(rhttp_sock);
+    close(rhttp_c);
+    printf("Connections handled: %d\n", rhttp_connections_handled);
+    printf("Gracefully closed\n");
+    exit(0);
+}
+
+size_t rhttp_send_drain(int s, void *tsend, size_t to_send_len) {
+    if (to_send_len == 0 && *(unsigned char *)tsend) {
+        to_send_len = strlen(tsend);
+    }
+    unsigned char *to_send = (unsigned char *)malloc(to_send_len);
+    unsigned char *to_send_original = to_send;
+
+    memcpy(to_send, tsend, to_send_len);
+    // to_send[to_send_len] = '\0';
+    long bytes_sent = 0;
+    long bytes_sent_total = 0;
+    while (1) {
+        bytes_sent = send(s, to_send + bytes_sent_total, to_send_len - bytes_sent_total, 0);
+        if (bytes_sent <= 0) {
+            bytes_sent_total = 0;
+            break;
+        }
+        bytes_sent_total += bytes_sent;
+
+        if (bytes_sent_total == (long)to_send_len) {
+            break;
+        } else if (!bytes_sent) {
+            bytes_sent_total = 0;
+            // error
+            break;
+        } else {
+            rhttp_log_info("Extra send of %d/%d bytes.\n", bytes_sent_total, to_send_len);
+        }
+    }
+
+    free(to_send_original);
+    return bytes_sent_total;
+}
+
+typedef int (*rhttp_request_handler_t)(rhttp_request_t *r);
+
+void rhttp_serve(const char *host, int port, int backlog, int request_logging, int request_debug, rhttp_request_handler_t handler,
+                 void *context) {
+    signal(SIGPIPE, SIG_IGN);
+    rhttp_sock = socket(AF_INET, SOCK_STREAM, 0);
+    struct sockaddr_in addr;
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = inet_addr(host ? host : "0.0.0.0");
+    rhttp_opt_debug = request_debug;
+    rhttp_opt_request_logging = request_logging;
+    int opt = 1;
+    setsockopt(rhttp_sock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
+    if (bind(rhttp_sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+        printf("Binding error\n");
+        exit(1);
+    }
+    listen(rhttp_sock, backlog);
+    while (1) {
+        struct sockaddr_in client_addr;
+        int addrlen = sizeof(client_addr);
+
+        rhttp_c = accept(rhttp_sock, (struct sockaddr *)&client_addr, (socklen_t *)&addrlen);
+
+        rhttp_connections_handled++;
+        while (true) {
+            rhttp_request_t *r = rhttp_parse_request(rhttp_c);
+            r->context = context;
+            if (!r->closed) {
+                if (!handler(r) && !r->closed) {
+                    rhttp_close(r);
+                }
+            }
+            if (!r->keep_alive && !r->closed) {
+                rhttp_close(r);
+            } else if (r->keep_alive && !r->closed) {
+            }
+            if (r->closed) {
+                break;
+            }
+            rhttp_free_request(r);
+        }
+    }
+}
+
+unsigned int rhttp_calculate_number_char_count(unsigned int number) {
+    unsigned int width = 1;
+    unsigned int tcounter = number;
+    while (tcounter / 10 >= 1) {
+        tcounter = tcounter / 10;
+        width++;
+    }
+    return width;
+}
+
+int rhttp_file_response(rhttp_request_t *r, char *path) {
+    if (!*path)
+        return 0;
+    FILE *f = fopen(path, "rb");
+    if (f == NULL)
+        return 0;
+    size_t file_size = rfile_size(path);
+    char response[1024] = {0};
+    char content_type_header[100] = {0};
+    char *ext = strstr(path, ".");
+    char *text_extensions = ".h,.c,.html";
+    if (strstr(text_extensions, ext)) {
+        sprintf(content_type_header, "Content-Type: %s\r\n", "text/html");
+    }
+    sprintf(response, "HTTP/1.1 200 OK\r\n%sContent-Length:%ld\r\n\r\n", content_type_header, file_size);
+    if (!rhttp_send_drain(r->c, response, 0)) {
+        rhttp_log_error("Error sending file: %s\n", path);
+    }
+    size_t bytes = 0;
+    size_t bytes_sent = 0;
+    unsigned char file_buff[1024];
+    while ((bytes = fread(file_buff, sizeof(char), sizeof(file_buff), f))) {
+        if (!rhttp_send_drain(r->c, file_buff, bytes)) {
+            rhttp_log_error("Error sending file during chunking: %s\n", path);
+        }
+        bytes_sent += bytes;
+    }
+    if (bytes_sent != file_size) {
+        rhttp_send_drain(r->c, file_buff, file_size - bytes_sent);
+    }
+    close(r->c);
+    fclose(f);
+    return 1;
+};
+
+int rhttp_file_request_handler(rhttp_request_t *r) {
+    char *path = r->path;
+    while (*path == '/' || *path == '.')
+        path++;
+    if (strstr(path, "..")) {
+        return 0;
+    }
+    return rhttp_file_response(r, path);
+};
+
+unsigned int counter = 100000000;
+int rhttp_counter_request_handler(rhttp_request_t *r) {
+    if (!strncmp(r->path, "/counter", strlen("/counter"))) {
+        counter++;
+        unsigned int width = rhttp_calculate_number_char_count(counter);
+        char to_send2[1024] = {0};
+        sprintf(to_send2,
+                "HTTP/1.1 200 OK\r\nContent-Length: %d\r\nConnection: "
+                "close\r\n\r\n%d",
+                width, counter);
+        rhttp_send_drain(r->c, to_send2, 0);
+        close(r->c);
+        return 1;
+    }
+    return 0;
+}
+int rhttp_root_request_handler(rhttp_request_t *r) {
+    if (!strcmp(r->path, "/")) {
+        char to_send[1024] = {0};
+        sprintf(to_send, "HTTP/1.1 200 OK\r\nContent-Length: 3\r\nConnection: "
+                         "close\r\n\r\nOk!");
+        rhttp_send_drain(r->c, to_send, 0);
+        close(r->c);
+        return 1;
+    }
+    return 0;
+}
+int rhttp_error_404_handler(rhttp_request_t *r) {
+    char to_send[1024] = {0};
+    sprintf(to_send, "HTTP/1.1 404 Document not found\r\nContent-Length: "
+                     "0\r\nConnection: close\r\n\r\n");
+    rhttp_send_drain(r->c, to_send, 0);
+    close(r->c);
+    return 1;
+}
+
+int rhttp_default_request_handler(rhttp_request_t *r) {
+    if (rhttp_opt_debug || rhttp_opt_request_logging)
+        rhttp_print_request(r);
+    if (rhttp_counter_request_handler(r)) {
+        // Counter handler
+        rhttp_log_info("Counter handler found for: %s\n", r->path);
+
+    } else if (rhttp_root_request_handler(r)) {
+        // Root handler
+        rhttp_log_info("Root handler found for: %s\n", r->path);
+    } else if (rhttp_file_request_handler(r)) {
+        rhttp_log_info("File %s sent\n", r->path);
+    } else if (rhttp_error_404_handler(r)) {
+        rhttp_log_warn("Error 404 for: %s\n", r->path);
+        // Error handler
+    } else {
+        rhttp_log_warn("No handler found for: %s\n", r->path);
+        close(rhttp_c);
+    }
+    return 0;
+}
+
+int rhttp_main(int argc, char *argv[]) {
+    setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
+    int opt;
+    while ((opt = getopt(argc, argv, "p:drh:bewi")) != -1) {
+        switch (opt) {
+        case 'i':
+            rhttp_opt_info = 1;
+            rhttp_opt_warn = 1;
+            rhttp_opt_error = 1;
+            break;
+        case 'e':
+            rhttp_opt_error = 1;
+            rhttp_opt_warn = 0;
+            rhttp_opt_info = 0;
+            break;
+        case 'w':
+            rhttp_opt_warn = 1;
+            rhttp_opt_error = 1;
+            rhttp_opt_info = 0;
+            break;
+        case 'p':
+            rhttp_opt_port = atoi(optarg);
+            break;
+        case 'b':
+            rhttp_opt_buffered = 1;
+            printf("Logging is buffered. Output may be incomplete.\n");
+            break;
+        case 'h':
+            strcpy(rhttp_opt_host, optarg);
+            break;
+        case 'd':
+            printf("Debug enabled\n");
+            rhttp_opt_debug = 1;
+            rhttp_opt_warn = 1;
+            rhttp_opt_info = 1;
+            rhttp_opt_error = 1;
+            break;
+        case 'r':
+            printf("Request logging enabled\n");
+            rhttp_opt_request_logging = 1;
+            break;
+        default:
+            printf("Usage: %s [-p port] [-h host] [-b]\n", argv[0]);
+            return 1;
+        }
+    }
+
+    printf("Starting server on: %s:%d\n", rhttp_opt_host, rhttp_opt_port);
+    if (rhttp_opt_buffered)
+        setvbuf(stdout, NULL, _IOFBF, BUFSIZ);
+
+    rhttp_serve(rhttp_opt_host, rhttp_opt_port, 1024, rhttp_opt_request_logging, rhttp_opt_debug, rhttp_default_request_handler, NULL);
+
+    return 0;
+}
+
+/* CLIENT CODE */
+
+typedef struct rhttp_client_request_t {
+    char *host;
+    int port;
+    char *path;
+    bool is_done;
+    char *request;
+    char *response;
+    pthread_t thread;
+    int bytes_received;
+} rhttp_client_request_t;
+
+rhttp_client_request_t *rhttp_create_request(const char *host, int port, const char *path) {
+    rhttp_client_request_t *r = (rhttp_client_request_t *)malloc(sizeof(rhttp_client_request_t));
+    char request_line[4096] = {0};
+    sprintf(request_line,
+            "GET %s HTTP/1.1\r\n"
+            "Host: localhost:8000\r\n"
+            "Connection: close\r\n"
+            "Accept: */*\r\n"
+            "User-Agent: mhttpc\r\n"
+            "Accept-Language: en-US,en;q=0.5\r\n"
+            "Accept-Encoding: gzip, deflate\r\n"
+            "\r\n",
+            path);
+    r->request = strdup(request_line);
+    r->host = strdup(host);
+    r->port = port;
+    r->path = strdup(path);
+    r->is_done = false;
+    r->response = NULL;
+    r->bytes_received = 0;
+    return r;
+}
+
+int rhttp_execute_request(rhttp_client_request_t *r) {
+    int s = socket(AF_INET, SOCK_STREAM, 0);
+    struct sockaddr_in addr;
+
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(r->port);
+    addr.sin_addr.s_addr = inet_addr(r->host);
+
+    if (connect(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+        return 0;
+    }
+
+    send(s, r->request, strlen(r->request), 0);
+    char buf[1024 * 1024] = {0};
+    int ret = recv(s, buf, 1024 * 1024, 0);
+    if (ret > 0) {
+        r->response = strdup(buf);
+    }
+
+    close(s);
+    return ret;
+}
+void rhttp_reset_request(rhttp_client_request_t *r) {
+    free(r->response);
+    r->is_done = false;
+    r->response = NULL;
+    r->bytes_received = 0;
+}
+void rhttp_free_client_request(rhttp_client_request_t *r) {
+    if (r->request)
+        free(r->request);
+    if (r->response)
+        free(r->response);
+    if (r->host)
+        free(r->host);
+    if (r->path)
+        free(r->path);
+    free(r);
+}
+
+void rhttp_client_bench(int workers, int times, const char *host, int port, const char *path) {
+    rhttp_client_request_t *requests[workers];
+    while (times > 0) {
+
+        for (int i = 0; i < workers && times; i++) {
+            requests[i] = rhttp_create_request(host, port, path);
+            rhttp_execute_request(requests[i]);
+            times--;
+        }
+    }
+}
+char *rhttp_client_get(const char *host, int port, const char *path) {
+    if (!rhttp_c_mutex_initialized) {
+        rhttp_c_mutex_initialized = 1;
+        pthread_mutex_init(&rhttp_c_mutex, NULL);
+    }
+    char http_response[1024 * 1024];
+    http_response[0] = 0;
+    rhttp_client_request_t *r = rhttp_create_request(host, port, path);
+    unsigned int reconnects = 0;
+    unsigned int reconnects_max = 100000;
+    while (!rhttp_execute_request(r)) {
+        reconnects++;
+        tick();
+        if (reconnects == reconnects_max) {
+            fprintf(stderr, "Maxium reconnects exceeded for %s:%d\n", host, port);
+            rhttp_free_client_request(r);
+            return NULL;
+        }
+    }
+    r->is_done = true;
+    char *body = r->response ? strstr(r->response, "\r\n\r\n") : NULL;
+    pthread_mutex_lock(&rhttp_c_mutex);
+    if (body) {
+        strcpy(http_response, body + 4);
+    } else {
+        strcpy(http_response, r->response);
+    }
+    rhttp_free_client_request(r);
+    char *result = sbuf(http_response);
+    pthread_mutex_unlock(&rhttp_c_mutex);
+    return result;
+}
+/*END CLIENT CODE */
+#endif
+
+#ifndef RJSON_H
+#define RJSON_H
+
+typedef struct rjson_t {
+    char *content;
+    size_t length;
+    size_t size;
+} rjson_t;
+
+rjson_t *rjson() {
+    rjson_t *json = rmalloc(sizeof(rjson_t));
+    json->size = 1024;
+    json->length = 0;
+    json->content = (char *)rmalloc(json->size);
+    json->content[0] = 0;
+    return json;
+}
+
+void rjson_write(rjson_t *rjs, char *content) {
+    size_t len = strlen(content);
+    while (rjs->size < rjs->length + len + 1) {
+        rjs->content = realloc(rjs->content, rjs->size + 1024);
+        rjs->size += 1024;
+    }
+    strcat(rjs->content, content);
+    rjs->length += len;
+}
+
+void rjson_object_start(rjson_t *rjs) {
+    if (rstrendswith(rjs->content, "}"))
+        rjson_write(rjs, ",");
+    rjson_write(rjs, "{");
+}
+void rjson_object_close(rjson_t *rjs) {
+    if (rstrendswith(rjs->content, ",")) {
+        rjs->content[rjs->length - 1] = 0;
+        rjs->length--;
+    }
+    rjson_write(rjs, "}");
+}
+void rjson_array_start(rjson_t *rjs) {
+    if (rjs->length && (rstrendswith(rjs->content, "}") || rstrendswith(rjs->content, "]")))
+        rjson_write(rjs, ",");
+    rjson_write(rjs, "[");
+}
+void rjson_array_close(rjson_t *rjs) {
+    if (rstrendswith(rjs->content, ",")) {
+        rjs->content[rjs->length - 1] = 0;
+        rjs->length--;
+    }
+    rjson_write(rjs, "]");
+}
+
+void rjson_kv_string(rjson_t *rjs, char *key, char *value) {
+    if (rjs->length && !rstrendswith(rjs->content, "{") && !rstrendswith(rjs->content, "[")) {
+        rjson_write(rjs, ",");
+    }
+    rjson_write(rjs, "\"");
+    rjson_write(rjs, key);
+    rjson_write(rjs, "\":\"");
+    char *value_str = (char *)rmalloc(strlen(value) + 4096);
+    rstraddslashes(value, value_str);
+    rjson_write(rjs, value_str);
+    free(value_str);
+    rjson_write(rjs, "\"");
+}
+
+void rjson_kv_int(rjson_t *rjs, char *key, ulonglong value) {
+    if (rjs->length && !rstrendswith(rjs->content, "{") && !rstrendswith(rjs->content, "[")) {
+        rjson_write(rjs, ",");
+    }
+    rjson_write(rjs, "\"");
+    rjson_write(rjs, key);
+    rjson_write(rjs, "\":");
+    char value_str[100] = {0};
+    sprintf(value_str, "%lld", value);
+    rjson_write(rjs, value_str);
+}
+void rjson_kv_number(rjson_t *rjs, char *key, ulonglong value) {
+    if (rjs->length && !rstrendswith(rjs->content, "{") && !rstrendswith(rjs->content, "[")) {
+        rjson_write(rjs, ",");
+    }
+    rjson_write(rjs, "\"");
+    rjson_write(rjs, key);
+    rjson_write(rjs, "\":");
+    rjson_write(rjs, "\"");
+
+    rjson_write(rjs, sbuf(rformat_number(value)));
+    rjson_write(rjs, "\"");
+}
+
+void rjson_kv_bool(rjson_t *rjs, char *key, int value) {
+    if (rjs->length && !rstrendswith(rjs->content, "{") && !rstrendswith(rjs->content, "[")) {
+        rjson_write(rjs, ",");
+    }
+    rjson_write(rjs, "\"");
+    rjson_write(rjs, key);
+    rjson_write(rjs, "\":");
+    rjson_write(rjs, value > 0 ? "true" : "false");
+}
+
+void rjson_kv_duration(rjson_t *rjs, char *key, nsecs_t value) {
+    if (rjs->length && !rstrendswith(rjs->content, "{") && !rstrendswith(rjs->content, "[")) {
+        rjson_write(rjs, ",");
+    }
+    rjson_write(rjs, "\"");
+    rjson_write(rjs, key);
+    rjson_write(rjs, "\":");
+    rjson_write(rjs, "\"");
+
+    rjson_write(rjs, sbuf(format_time(value)));
+    rjson_write(rjs, "\"");
+}
+void rjson_free(rjson_t *rsj) {
+    free(rsj->content);
+    free(rsj);
+}
+
+void rjson_key(rjson_t *rsj, char *key) {
+    rjson_write(rsj, "\"");
+    rjson_write(rsj, key);
+    rjson_write(rsj, "\":");
+}
+#endif
+#ifndef RAUTOCOMPLETE_H
+#define RAUTOCOMPLETE_H
+#define R4_DEBUG
+#ifndef RREX4_H
+#define RREX4_H
+#include <assert.h>
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define R4_DEBUG_a
+
+#ifdef R4_DEBUG
+static int _r4_debug = 1;
+#else
+static int _r4_debug = 0;
+#endif
+
+static char *_format_function_name(const char *name) {
+    static char result[100];
+    result[0] = 0;
+
+    char *new_name = (char *)name;
+    new_name += 11;
+    if (new_name[0] == '_')
+        new_name += 1;
+    if (strlen(new_name) == 0) {
+        return " -";
+    }
+    strcpy(result, new_name);
+    return result;
+}
+
+#define DEBUG_VALIDATE_FUNCTION                                                                                                            \
+    if (_r4_debug || r4->debug)                                                                                                            \
+        printf("DEBUG: %s %s <%s> \"%s\"\n", _format_function_name(__func__), r4->valid ? "valid" : "INVALID", r4->expr, r4->str);
+
+struct r4_t;
+
+void r4_enable_debug() { _r4_debug = true; }
+void r4_disable_debug() { _r4_debug = false; }
+
+typedef bool (*r4_function)(struct r4_t *);
+
+typedef struct r4_t {
+    bool debug;
+    bool valid;
+    bool in_block;
+    bool is_greedy;
+    bool in_range;
+    unsigned int backtracking;
+    unsigned int loop_count;
+    unsigned int in_group;
+    unsigned int match_count;
+    unsigned int validation_count;
+    unsigned int start;
+    unsigned int end;
+    unsigned int length;
+    bool (*functions[254])(struct r4_t *);
+    bool (*slash_functions[254])(struct r4_t *);
+    char *_str;
+    char *_expr;
+    char *match;
+    char *str;
+    char *expr;
+    char *str_previous;
+    char *expr_previous;
+    char **matches;
+} r4_t;
+
+static bool v4_initiated = false;
+typedef bool (*v4_function_map)(r4_t *);
+v4_function_map v4_function_map_global[256];
+v4_function_map v4_function_map_slash[256];
+v4_function_map v4_function_map_block[256];
+
+void r4_free_matches(r4_t *r) {
+    if (!r)
+        return;
+    if (r->match) {
+        free(r->match);
+        r->match = NULL;
+    }
+    if (!r->match_count) {
+        return;
+    }
+    for (unsigned i = 0; i < r->match_count; i++) {
+        free(r->matches[i]);
+    }
+    free(r->matches);
+    r->match_count = 0;
+    r->matches = NULL;
+}
+
+void r4_free(r4_t *r) {
+    if (!r)
+        return;
+    r4_free_matches(r);
+    free(r);
+}
+
+static bool r4_backtrack(r4_t *r4);
+static bool r4_validate(r4_t *r4);
+static void r4_match_add(r4_t *r4, char *extracted);
+
+static bool r4_validate_literal(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (!r4->valid)
+        return false;
+    if (*r4->str != *r4->expr) {
+        r4->valid = false;
+    } else {
+        r4->str++;
+    }
+    r4->expr++;
+    if (r4->in_block || r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+static bool r4_validate_question_mark(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->valid = true;
+    r4->expr++;
+    return r4_validate(r4);
+}
+
+static bool r4_validate_plus(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->expr++;
+    if (r4->valid == false) {
+        return r4_validate(r4);
+    }
+    char *expr_left = r4->expr_previous;
+    char *expr_right = r4->expr;
+    char *str = r4->str;
+    char *return_expr = NULL;
+    if (*expr_right == ')') {
+        return_expr = expr_right;
+        expr_right++;
+    }
+    r4->is_greedy = false;
+    r4->expr = expr_left;
+    while (r4->valid) {
+        if (*expr_right) {
+            r4->expr = expr_right;
+            r4->is_greedy = true;
+            if (r4_backtrack(r4)) {
+
+                if (return_expr) {
+                    r4->str = str;
+                    r4->expr = return_expr;
+                }
+                return r4_validate(r4);
+            } else {
+                r4->is_greedy = false;
+            }
+        }
+        r4->valid = true;
+        r4->expr = expr_left;
+        r4->str = str;
+        r4_validate(r4);
+        str = r4->str;
+    }
+    r4->is_greedy = true;
+    r4->valid = true;
+    r4->expr = return_expr ? return_expr : expr_right;
+    return r4_validate(r4);
+}
+
+static bool r4_validate_dollar(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->expr++;
+    r4->valid = *r4->str == 0;
+    return r4_validate(r4);
+}
+
+static bool r4_validate_roof(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (r4->str != r4->_str) {
+        return false;
+    }
+    r4->expr++;
+    return r4_validate(r4);
+}
+
+static bool r4_validate_dot(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (*r4->str == 0) {
+        return false;
+    }
+    r4->expr++;
+    r4->valid = *r4->str != '\n';
+    r4->str++;
+
+    if (r4->in_block || r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+
+static bool r4_validate_asterisk(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->expr++;
+    if (r4->valid == false) {
+        r4->valid = true;
+        return r4->valid;
+        // return r4_validate(r4);
+    }
+    char *expr_left = r4->expr_previous;
+    char *expr_right = r4->expr;
+    char *str = r4->str;
+    char *return_expr = NULL;
+    if (*expr_right == ')') {
+        return_expr = expr_right;
+        expr_right++;
+    }
+    r4->is_greedy = false;
+    r4->expr = expr_left;
+    while (r4->valid) {
+        if (*expr_right) {
+            r4->expr = expr_right;
+            r4->is_greedy = true;
+            if (r4_backtrack(r4)) {
+
+                if (return_expr) {
+                    r4->str = str;
+                    r4->expr = return_expr;
+                }
+                return r4_validate(r4);
+            } else {
+                r4->is_greedy = false;
+            }
+        }
+        r4->valid = true;
+        r4->expr = expr_left;
+        r4->str = str;
+        r4_validate(r4);
+        str = r4->str;
+    }
+    r4->is_greedy = true;
+    r4->valid = true;
+    r4->expr = return_expr ? return_expr : expr_right;
+    return r4_validate(r4);
+}
+
+static bool r4_validate_pipe(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->expr++;
+    if (r4->valid == true) {
+        return true;
+    } else {
+        r4->valid = true;
+    }
+    return r4_validate(r4);
+}
+
+static bool r4_validate_digit(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (!isdigit(*r4->str)) {
+        r4->valid = false;
+    } else {
+        r4->str++;
+    }
+    r4->expr++;
+    if (r4->in_block || r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+static bool r4_validate_not_digit(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (isdigit(*r4->str)) {
+        r4->valid = false;
+    } else {
+        r4->str++;
+    }
+    r4->expr++;
+
+    if (r4->in_block || r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+static bool r4_validate_word(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (!isalpha(*r4->str)) {
+        r4->valid = false;
+    } else {
+        r4->str++;
+    }
+    r4->expr++;
+
+    if (r4->in_block || r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+static bool r4_validate_not_word(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (isalpha(*r4->str)) {
+        r4->valid = false;
+    } else {
+        r4->str++;
+    }
+    r4->expr++;
+
+    if (r4->in_block || r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+
+static bool r4_isrange(char *s) {
+    if (!isalnum(*s)) {
+        return false;
+    }
+    if (*(s + 1) != '-') {
+        return false;
+    }
+    return isalnum(*(s + 2));
+}
+
+static bool r4_validate_block_open(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    if (r4->valid == false) {
+        return false;
+    }
+    char *expr_self = r4->expr;
+    r4->expr++;
+    bool reversed = *r4->expr == '^';
+    if (reversed) {
+        r4->expr++;
+    }
+
+    bool valid_once = false;
+    r4->in_block = true;
+    while (*r4->expr != ']') {
+        r4->valid = true;
+        if (r4_isrange(r4->expr)) {
+            char s = *r4->expr;
+            char e = *(r4->expr + 2);
+            r4->expr += 2;
+            if (s > e) {
+                char tempc = s;
+                s = e;
+                e = tempc;
+            }
+            if (*r4->str >= s && *r4->str <= e) {
+                if (!reversed) {
+                    r4->str++;
+                }
+                valid_once = true;
+                break;
+            } else {
+                r4->expr++;
+            }
+        } else if (r4_validate(r4)) {
+            valid_once = true;
+            if (reversed)
+                r4->str--;
+            break;
+        }
+    }
+    char *expr_end = strchr(r4->expr, ']');
+
+    r4->expr = expr_end ? expr_end : r4->expr;
+    r4->in_block = false;
+    r4->valid = expr_end && (!reversed ? valid_once : !valid_once);
+    r4->expr++;
+    r4->expr_previous = expr_self;
+
+    if (r4->in_range || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+
+static bool r4_validate_whitespace(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->valid = strchr("\r\t \n", *r4->str) != NULL;
+    r4->expr++;
+    if (r4->valid) {
+        r4->str++;
+    }
+    if (r4->in_range || r4->in_block || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+static bool r4_validate_not_whitespace(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->valid = strchr("\r\t \n", *r4->str) == NULL;
+    r4->expr++;
+    if (r4->valid) {
+        r4->str++;
+    }
+    if (r4->in_range || r4->in_block || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+
+static bool r4_validate_range(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION;
+    if (r4->valid == false) {
+        r4->expr++;
+        return false;
+    }
+    char *previous = r4->expr_previous;
+    r4->in_range = true;
+    r4->expr++;
+    unsigned int start = 0;
+    while (isdigit(*r4->expr)) {
+        start = 10 * start;
+        start += *r4->expr - '0';
+        r4->expr++;
+    }
+    if (start != 0)
+        start--;
+
+    unsigned int end = 0;
+    bool variable_end_range = false;
+    if (*r4->expr == ',') {
+        r4->expr++;
+        if (!isdigit(*r4->expr)) {
+            variable_end_range = true;
+        }
+    }
+    while (isdigit(*r4->expr)) {
+        end = end * 10;
+        end += *r4->expr - '0';
+        r4->expr++;
+    }
+    r4->expr++;
+
+    bool valid = true;
+    char *expr_right = r4->expr;
+    for (unsigned int i = 0; i < start; i++) {
+        r4->expr = previous;
+        valid = r4_validate(r4);
+        if (!*r4->str)
+            break;
+        if (!valid) {
+            break;
+        }
+    }
+    r4->expr = expr_right;
+    r4->in_range = false;
+    if (!r4->valid)
+        return false;
+    return r4_validate(r4);
+
+    for (unsigned int i = start; i < end; i++) {
+        r4->expr = previous;
+        valid = r4_validate(r4);
+        if (!valid) {
+            break;
+        }
+    }
+
+    while (variable_end_range) {
+        r4->in_range = false;
+        valid = r4_validate(r4);
+        r4->in_range = true;
+        if (valid) {
+            break;
+        }
+        r4->in_range = true;
+        valid = r4_validate(r4);
+        r4->in_range = false;
+        if (!valid) {
+            break;
+        }
+    }
+    r4->valid = valid;
+
+    return r4_validate(r4);
+}
+
+static bool r4_validate_group_close(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    return r4->valid;
+}
+
+static bool r4_validate_group_open(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    char *expr_previous = r4->expr_previous;
+    r4->expr++;
+    bool save_match = r4->in_group == 0;
+    r4->in_group++;
+    char *str_extract_start = r4->str;
+    bool valid = r4_validate(r4);
+
+    if (!valid || *r4->expr != ')') {
+        // this is a valid case if not everything between () matches
+        r4->in_group--;
+        if (save_match == false) {
+            r4->valid = true;
+        }
+
+        // Not direct return? Not sure
+        return r4_validate(r4);
+    }
+    // if(save_match){
+    //     r4->match_count++;
+    // }
+    if (save_match) {
+        char *str_extract_end = r4->str;
+        unsigned int extracted_length = str_extract_end - str_extract_start;
+        // strlen(str_extract_start) - strlen(str_extract_end);
+        char *str_extracted = (char *)calloc(sizeof(char), extracted_length + 1);
+        strncpy(str_extracted, str_extract_start, extracted_length);
+        r4_match_add(r4, str_extracted);
+    }
+    assert(*r4->expr == ')');
+    r4->expr++;
+    r4->in_group--;
+    r4->expr_previous = expr_previous;
+    return r4_validate(r4);
+}
+
+static bool r4_validate_slash(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    // The handling code for handling slashes is implemented in r4_validate
+    char *expr_previous = r4->expr_previous;
+    r4->expr++;
+    r4_function f = v4_function_map_slash[(int)*r4->expr];
+    r4->expr_previous = expr_previous;
+    return f(r4);
+}
+
+static void r4_match_add(r4_t *r4, char *extracted) {
+    r4->matches = (char **)realloc(r4->matches, (r4->match_count + 1) * sizeof(char *));
+    r4->matches[r4->match_count] = extracted;
+    r4->match_count++;
+}
+
+static bool r4_validate_word_boundary_start(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->expr++;
+    if (!r4->valid) {
+        return r4->valid;
+    }
+    r4->valid = isalpha(*r4->str) && (r4->str == r4->_str || !isalpha(*(r4->str - 1)));
+    if (r4->in_range || r4->in_block || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+static bool r4_validate_word_boundary_end(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->expr++;
+    if (!r4->valid) {
+        return r4->valid;
+    }
+    r4->valid = isalpha(*r4->str) && (*(r4->str + 1) == 0 || !isalpha(*(r4->str + 1)));
+    if (r4->in_range || r4->in_block || !r4->is_greedy) {
+        return r4->valid;
+    }
+    return r4_validate(r4);
+}
+
+static void v4_init_function_maps() {
+    if (v4_initiated)
+        return;
+    v4_initiated = true;
+    for (__uint8_t i = 0; i < 255; i++) {
+        v4_function_map_global[i] = r4_validate_literal;
+        v4_function_map_slash[i] = r4_validate_literal;
+        v4_function_map_block[i] = r4_validate_literal;
+    }
+    v4_function_map_global['*'] = r4_validate_asterisk;
+    v4_function_map_global['?'] = r4_validate_question_mark;
+    v4_function_map_global['+'] = r4_validate_plus;
+    v4_function_map_global['$'] = r4_validate_dollar;
+    v4_function_map_global['^'] = r4_validate_roof;
+    v4_function_map_global['.'] = r4_validate_dot;
+    v4_function_map_global['|'] = r4_validate_pipe;
+    v4_function_map_global['\\'] = r4_validate_slash;
+    v4_function_map_global['['] = r4_validate_block_open;
+    v4_function_map_global['{'] = r4_validate_range;
+    v4_function_map_global['('] = r4_validate_group_open;
+    v4_function_map_global[')'] = r4_validate_group_close;
+    v4_function_map_slash['b'] = r4_validate_word_boundary_start;
+    v4_function_map_slash['B'] = r4_validate_word_boundary_end;
+    v4_function_map_slash['d'] = r4_validate_digit;
+    v4_function_map_slash['w'] = r4_validate_word;
+    v4_function_map_slash['D'] = r4_validate_not_digit;
+    v4_function_map_slash['W'] = r4_validate_not_word;
+    v4_function_map_slash['s'] = r4_validate_whitespace;
+    v4_function_map_slash['S'] = r4_validate_not_whitespace;
+    v4_function_map_block['\\'] = r4_validate_slash;
+
+    v4_function_map_block['{'] = r4_validate_range;
+}
+
+void r4_init(r4_t *r4) {
+    v4_init_function_maps();
+    if (r4 == NULL)
+        return;
+    r4->debug = _r4_debug;
+    r4->valid = true;
+    r4->validation_count = 0;
+    r4->match_count = 0;
+    r4->start = 0;
+    r4->end = 0;
+    r4->length = 0;
+    r4->matches = NULL;
+}
+
+static bool r4_looks_behind(char c) { return strchr("?*+{", c) != NULL; }
+
+r4_t *r4_new() {
+    r4_t *r4 = (r4_t *)malloc(sizeof(r4_t));
+
+    r4_init(r4);
+
+    return r4;
+}
+
+static bool r4_pipe_next(r4_t *r4) {
+    char *expr = r4->expr;
+    while (*expr) {
+        if (*expr == '|') {
+            r4->expr = expr + 1;
+            r4->valid = true;
+            return true;
+        }
+        expr++;
+    }
+    return false;
+}
+
+static bool r4_backtrack(r4_t *r4) {
+    if (_r4_debug)
+        printf("\033[36mDEBUG: backtrack start (%d)\n", r4->backtracking);
+    r4->backtracking++;
+    char *str = r4->str;
+    char *expr = r4->expr;
+    bool result = r4_validate(r4);
+    r4->backtracking--;
+    if (result == false) {
+        r4->expr = expr;
+        r4->str = str;
+    }
+    if (_r4_debug)
+        printf("DEBUG: backtrack end (%d) result: %d %s\n", r4->backtracking, result, r4->backtracking == 0 ? "\033[0m" : "");
+    return result;
+}
+
+static bool r4_validate(r4_t *r4) {
+    DEBUG_VALIDATE_FUNCTION
+    r4->validation_count++;
+    char c_val = *r4->expr;
+    if (c_val == 0) {
+        return r4->valid;
+    }
+    if (!r4_looks_behind(c_val)) {
+        r4->expr_previous = r4->expr;
+    } else if (r4->expr == r4->_expr) {
+        // Regex may not start with a look behind ufnction
+        return false;
+    }
+
+    if (!r4->valid && !r4_looks_behind(*r4->expr)) {
+        if (!r4_pipe_next(r4)) {
+            return false;
+        }
+    }
+    r4_function f;
+    if (r4->in_block) {
+        f = v4_function_map_block[(int)c_val];
+    } else {
+        f = v4_function_map_global[(int)c_val];
+    }
+
+    r4->valid = f(r4);
+    return r4->valid;
+}
+
+char *r4_get_match(r4_t *r) {
+    char *match = (char *)malloc(r->length + 1);
+    strncpy(match, r->_str + r->start, r->length);
+    match[r->length] = 0;
+    return match;
+}
+
+static bool r4_search(r4_t *r) {
+    bool valid = true;
+    char *str_next = r->str;
+    while (*r->str) {
+        if (!(valid = r4_validate(r))) {
+            // Move next until we find a match
+            if (!r->backtracking) {
+                r->start++;
+            }
+            str_next++;
+            r->str = str_next;
+            r->expr = r->_expr;
+            r->valid = true;
+        } else {
+            /// HIGH DOUBT
+            if (!r->backtracking) {
+                // r->start = 0;
+            }
+            break;
+        }
+    }
+    r->valid = valid;
+    if (r->valid) {
+        r->end = strlen(r->_str) - strlen(r->str);
+        r->length = r->end - r->start;
+        r->match = r4_get_match(r);
+    }
+    return r->valid;
+}
+
+r4_t *r4(const char *str, const char *expr) {
+    r4_t *r = r4_new();
+    r->_str = (char *)str;
+    r->_expr = (char *)expr;
+    r->match = NULL;
+    r->str = r->_str;
+    r->expr = r->_expr;
+    r->str_previous = r->_str;
+    r->expr_previous = r->expr;
+    r->in_block = false;
+    r->is_greedy = true;
+    r->in_group = 0;
+    r->loop_count = 0;
+    r->backtracking = 0;
+    r->in_range = false;
+    r4_search(r);
+    return r;
+}
+
+r4_t *r4_next(r4_t *r, char *expr) {
+    if (expr) {
+        r->_expr = expr;
+    }
+    r->backtracking = 0;
+    r->expr = r->_expr;
+    r->is_greedy = true;
+    r->in_block = false;
+    r->in_range = false;
+    r->in_group = false;
+    r4_free_matches(r);
+    r4_search(r);
+    return r;
+}
+
+bool r4_match(char *str, char *expr) {
+    r4_t *r = r4(str, expr);
+    bool result = r->valid;
+    r4_free(r);
+    return result;
+}
+#endif
+#define rautocomplete_new rstring_list_new
+#define rautocomplete_free rstring_list_free
+#define rautocomplete_add rstring_list_add
+#define rautocomplete_find rstring_list_find
+#define rautocomplete_t rstring_list_t
+#define rautocomplete_contains rstring_list_contains
+
+char *r4_escape(char *content) {
+    size_t size = strlen(content) * 2 + 1;
+    char *escaped = (char *)calloc(size, sizeof(char));
+    char *espr = escaped;
+    char *to_escape = "?*+()[]{}^$\\";
+    *espr = '(';
+    espr++;
+    while (*content) {
+        if (strchr(to_escape, *content)) {
+            *espr = '\\';
+            espr++;
+        }
+        *espr = *content;
+        espr++;
+        content++;
+    }
+    *espr = '.';
+    espr++;
+    *espr = '+';
+    espr++;
+    *espr = ')';
+    espr++;
+    *espr = 0;
+    return escaped;
+}
+
+char *rautocomplete_find(rstring_list_t *list, char *expr) {
+    if (!list->count)
+        return NULL;
+    if (!expr || !strlen(expr))
+        return NULL;
+
+    char *escaped = r4_escape(expr);
+
+    for (unsigned int i = list->count - 1; i == 0; i--) {
+        char *match;
+        r4_t *r = r4(list->strings[i], escaped);
+        if (r->valid && r->match_count == 1) {
+            match = strdup(r->matches[0]);
+        }
+        r4_free(r);
+        if (match) {
+
+            free(escaped);
+            return match;
+        }
+    }
+    free(escaped);
+    return NULL;
+}
+#endif
+#ifndef RKEYTABLE_H
+#define RKEYTABLE_H
+/*
+    DERIVED FROM HASH TABLE K&R
+ */
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct rnklist {
+    struct rnklist *next;
+    struct rnklist *last;
+    char *name;
+    char *defn;
+} rnklist;
+
+static rnklist *rkeytab = NULL;
+
+rnklist *rlkget(char *s) {
+    rnklist *np;
+    for (np = rkeytab; np != NULL; np = np->next)
+        if (strcmp(s, np->name) == 0)
+            return np; // Found
+    return NULL;       // Not found
+}
+
+char *rkget(char *s) {
+    rnklist *np = rlkget(s);
+    return np ? np->defn : NULL;
+}
+
+rnklist *rkset(char *name, char *defn) {
+    rnklist *np;
+    if ((np = (rlkget(name))) == NULL) { // Not found
+        np = (rnklist *)malloc(sizeof(rnklist));
+        np->name = strdup(name);
+        np->next = NULL;
+        np->last = NULL;
+
+        if (defn) {
+            np->defn = strdup(defn);
+        } else {
+            np->defn = NULL;
+        }
+
+        if (rkeytab == NULL) {
+            rkeytab = np;
+            rkeytab->last = np;
+        } else {
+            if (rkeytab->last)
+                rkeytab->last->next = np;
+
+            rkeytab->last = np;
+        }
+    } else {
+        if (np->defn)
+            free((void *)np->defn);
+        if (defn) {
+            np->defn = strdup(defn);
+        } else {
+            np->defn = NULL;
+        }
+    }
+    return np;
+}
+#endif
+
+#ifndef RHASHTABLE_H
+#define RHASHTABLE_H
+/*
+    ORIGINAL SOURCE IS FROM K&R
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define HASHSIZE 101
+
+// Structure for the table entries
+typedef struct rnlist {
+    struct rnlist *next;
+    char *name;
+    char *defn;
+} rnlist;
+
+// Hash table array
+static rnlist *rhashtab[HASHSIZE];
+
+// Hash function
+unsigned rhash(char *s) {
+    unsigned hashval;
+    for (hashval = 0; *s != '\0'; s++)
+        hashval = *s + 31 * hashval;
+    return hashval % HASHSIZE;
+}
+
+rnlist *rlget(char *s) {
+    rnlist *np;
+    for (np = rhashtab[rhash(s)]; np != NULL; np = np->next)
+        if (strcmp(s, np->name) == 0)
+            return np; // Found
+    return NULL;       // Not found
+}
+
+// Lookup function
+char *rget(char *s) {
+    rnlist *np = rlget(s);
+    return np ? np->defn : NULL;
+}
+
+// Install function (adds a name and definition to the table)
+struct rnlist *rset(char *name, char *defn) {
+    struct rnlist *np = NULL;
+    unsigned hashval;
+
+    if ((rlget(name)) == NULL) { // Not found
+        np = (struct rnlist *)malloc(sizeof(*np));
+        if (np == NULL || (np->name = strdup(name)) == NULL)
+            return NULL;
+        hashval = rhash(name);
+        np->next = rhashtab[hashval];
+        rhashtab[hashval] = np;
+    } else {
+        if (np->defn)
+            free((void *)np->defn);
+        np->defn = NULL;
+    }
+    if ((np->defn = strdup(defn)) == NULL)
+        return NULL;
+    return np;
+}
+#endif
+
+#ifndef RREX3_H
+#define RREX3_H
+#include <assert.h>
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#ifndef RREX3_DEBUG
+#define RREX3_DEBUG 0
+#endif
+
+struct rrex3_t;
+
+typedef void (*rrex3_function)(struct rrex3_t *);
+
+typedef struct rrex3_t {
+    void (*functions[254])(struct rrex3_t *);
+    void (*slash_functions[254])(struct rrex3_t *);
+    bool valid;
+    int match_count;
+    int match_capacity;
+    char **matches;
+    bool exit;
+    char *__expr;
+    char *__str;
+    char *_expr;
+    char *_str;
+    char *expr;
+    char *str;
+    char *compiled;
+    bool inside_brackets;
+    bool inside_parentheses;
+    bool pattern_error;
+    bool match_from_start;
+    char bytecode;
+    rrex3_function function;
+    struct {
+        void (*function)(struct rrex3_t *);
+        char *expr;
+        char *str;
+        char bytecode;
+    } previous;
+    struct {
+        void (*function)(struct rrex3_t *);
+        char *expr;
+        char *str;
+        char bytecode;
+    } failed;
+} rrex3_t;
+
+static bool isdigitrange(char *s) {
+    if (!isdigit(*s)) {
+        return false;
+    }
+    if (*(s + 1) != '-') {
+        return false;
+    }
+    return isdigit(*(s + 2));
+}
+
+static bool isalpharange(char *s) {
+    if (!isalpha(*s)) {
+        return false;
+    }
+    if (*(s + 1) != '-') {
+        return false;
+    }
+    return isalpha(*(s + 2));
+}
+
+void rrex3_free_matches(rrex3_t *rrex3) {
+    if (!rrex3->matches)
+        return;
+    for (int i = 0; i < rrex3->match_count; i++) {
+        free(rrex3->matches[i]);
+    }
+    free(rrex3->matches);
+    rrex3->matches = NULL;
+    rrex3->match_count = 0;
+    rrex3->match_capacity = 0;
+}
+
+void rrex3_free(rrex3_t *rrex3) {
+    if (!rrex3)
+        return;
+    if (rrex3->compiled) {
+        free(rrex3->compiled);
+        rrex3->compiled = NULL;
+    }
+    rrex3_free_matches(rrex3);
+    free(rrex3);
+    rrex3 = NULL;
+}
+static bool rrex3_move(rrex3_t *, bool);
+static void rrex3_set_previous(rrex3_t *);
+inline static void rrex3_cmp_asterisk(rrex3_t *);
+void rrex3_cmp_literal_range(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Range check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+
+    char start = *rrex3->expr;
+    rrex3->expr++;
+    rrex3->expr++;
+    char end = *rrex3->expr;
+    if (*rrex3->str >= start && *rrex3->str <= end) {
+        rrex3->str++;
+        rrex3->valid = true;
+    } else {
+        rrex3->valid = false;
+    }
+    rrex3->expr++;
+}
+
+bool rrex3_is_function(char chr) {
+    if (chr == ']' || chr == ')' || chr == '\\' || chr == '?' || chr == '+' || chr == '*')
+        return true;
+    return false;
+}
+
+inline static void rrex3_cmp_literal(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+    if (rrex3->inside_brackets) {
+        if (isalpharange(rrex3->expr) || isdigitrange(rrex3->expr)) {
+            rrex3_cmp_literal_range(rrex3);
+            return;
+        }
+    }
+#if RREX3_DEBUG == 1
+    printf("Literal check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+
+#endif
+    if (*rrex3->expr == 0 && !*rrex3->str) {
+        printf("ERROR, EMPTY CHECK\n");
+        // exit(1);
+    }
+    if (rrex3->valid == false) {
+        rrex3->expr++;
+        return;
+    }
+
+    if (*rrex3->expr == *rrex3->str) {
+        rrex3->expr++;
+        rrex3->str++;
+        rrex3->valid = true;
+        // if(*rrex3->expr &&rrex3->functions[(int)*rrex3->expr] ==
+        // rrex3_cmp_literal && !rrex3->inside_brackets &&
+        //! rrex3_is_function(*rrex3->expr)){ rrex3_cmp_literal(rrex3);
+        //   if(rrex3->valid == false){
+        //  rrex3->expr--;
+        // rrex3->valid = true;
+        // }
+        // }
+        return;
+    }
+    rrex3->expr++;
+    rrex3->valid = false;
+}
+
+inline static void rrex3_cmp_dot(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Dot check (any char): %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+    rrex3->expr++;
+    if (!rrex3->valid) {
+        return;
+    }
+    if (*rrex3->str && *rrex3->str != '\n') {
+        rrex3->str++;
+        if (*rrex3->expr && *rrex3->expr == '.') {
+            rrex3_cmp_dot(rrex3);
+            return;
+        } /*else if(*rrex3->expr && (*rrex3->expr == '*' || *rrex3->expr ==
+         '+')){ char * next = strchr(rrex3->str,*(rrex3->expr + 1)); char *
+         space = strchr(rrex3->str,'\n'); if(next && (!space || space > next)){
+                 rrex3->str = next;
+             }
+         }*/
+    } else {
+        rrex3->valid = false;
+    }
+}
+
+inline static void rrex3_cmp_question_mark(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Question mark check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+
+    if (rrex3->valid == false)
+        rrex3->valid = true;
+    rrex3->expr++;
+}
+
+inline static void rrex3_cmp_whitespace(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Whitespace check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+
+    char c = *rrex3->expr;
+    rrex3->valid = c == ' ' || c == '\n' || c == '\t';
+    if (rrex3->valid) {
+        rrex3->str++;
+    }
+    rrex3->expr++;
+}
+
+inline static void rrex3_cmp_whitespace_upper(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Non whitespace check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+
+    char c = *rrex3->expr;
+    rrex3->valid = !(c == ' ' || c == '\n' || c == '\t');
+    if (rrex3->valid) {
+        rrex3->str++;
+    }
+    rrex3->expr++;
+}
+
+inline static void rrex3_cmp_plus2(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Plus check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+
+    if (rrex3->valid) {
+        rrex3->str--;
+    } else {
+        return;
+    }
+    char *original_expr = rrex3->expr;
+    char *next = original_expr + 1;
+    char *loop_expr = rrex3->previous.expr - 1;
+    if (*loop_expr == '+') {
+        rrex3->valid = false;
+        rrex3->pattern_error = true;
+        rrex3->expr++;
+        return;
+    }
+    bool success_next = false;
+    bool success_next_once = false;
+    bool success_current = false;
+    char *next_next = NULL;
+    char *next_str = rrex3->str;
+    while (*rrex3->str) {
+        // Check if next matches
+        char *original_str = rrex3->str;
+        rrex3->expr = next;
+        rrex3->valid = true;
+        if (rrex3_move(rrex3, false)) {
+            success_next = true;
+            next_next = rrex3->expr;
+            next_str = rrex3->str;
+            success_next_once = true;
+        } else {
+            success_next = false;
+        }
+        if (success_next_once && !success_next) {
+            break;
+        }
+        // Check if current matches
+        rrex3->str = original_str;
+        rrex3->expr = loop_expr;
+        rrex3->valid = true;
+        if (!*rrex3->str || !rrex3_move(rrex3, false)) {
+            success_current = false;
+        } else {
+            success_current = true;
+            if (!success_next) {
+                next_next = rrex3->expr + 1; // +1 is the * itself
+                next_str = rrex3->str;
+            }
+        }
+        if (success_next && !success_current) {
+            break;
+        }
+    }
+    if (!next_next)
+        rrex3->expr = next;
+    else {
+        rrex3->expr = next_next;
+    }
+    rrex3->str = next_str;
+    rrex3->valid = true;
+}
+
+inline static void rrex3_cmp_plus(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    rprintg("Asterisk start check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (!rrex3->valid) {
+        rrex3->expr++;
+        return;
+    }
+
+    char *left = rrex3->previous.expr;
+    // printf("%s\n",rrex3->str);
+    char *right = rrex3->expr + 1;
+    if (*right == ')') {
+        right++;
+    }
+    int right_valid = 0;
+    bool right_valid_once = false;
+    char *expr = right;
+    char *right_str = rrex3->str;
+    ;
+    char *right_expr = NULL;
+    char *str = rrex3->str;
+    bool first_time = true;
+    bool left_valid = true;
+    char *str_prev = NULL;
+    bool valid_from_start = true;
+    ;
+    while (*rrex3->str) {
+        if (!left_valid && !right_valid) {
+            break;
+        }
+        if (right_valid && !left_valid) {
+            str = right_str;
+            break;
+        }
+
+        rrex3->expr = right;
+        rrex3->str = str;
+#if RREX3_DEBUG == 1
+        printf("r");
+#endif
+        if (*rrex3->str && rrex3_move(rrex3, false)) {
+            right_valid++;
+            right_str = rrex3->str;
+            expr = rrex3->expr;
+            if (!right_valid_once) {
+                right_expr = rrex3->expr;
+                right_valid_once = true;
+            }
+        } else {
+            right_valid = 0;
+        }
+        if (first_time) {
+            first_time = false;
+            valid_from_start = right_valid;
+        }
+
+        if (right_valid && !valid_from_start && right_valid > 0) {
+            expr = right_expr - 1;
+            ;
+            if (*(right - 1) == ')') {
+                expr = right - 1;
+            }
+            break;
+        }
+
+        if ((!right_valid && right_valid_once)) {
+            expr = right_expr;
+            if (*(right - 1) == ')') {
+                str = str_prev;
+                expr = right - 1;
+            }
+            break;
+        }
+
+        str_prev = str;
+        rrex3->valid = true;
+        rrex3->str = str;
+        rrex3->expr = left;
+#if RREX3_DEBUG == 1
+        printf("l");
+#endif
+        if (rrex3_move(rrex3, false)) {
+            left_valid = true;
+
+            str = rrex3->str;
+        } else {
+            left_valid = false;
+        }
+    }
+
+    rrex3->expr = expr;
+    rrex3->str = str;
+    rrex3->valid = true;
+
+#if RREX3_DEBUG == 1
+    rprintg("Asterisk end check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+}
+
+inline static void rrex3_cmp_asterisk(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    rprintg("Asterisk start check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (!rrex3->valid) {
+        rrex3->valid = true;
+        rrex3->expr++;
+        return;
+    }
+
+    rrex3->str = rrex3->previous.str;
+    char *left = rrex3->previous.expr;
+    // printf("%s\n",rrex3->str);
+    char *right = rrex3->expr + 1;
+    if (*right == ')') {
+        right++;
+    }
+    int right_valid = 0;
+    bool right_valid_once = false;
+    char *expr = right;
+    char *right_str = rrex3->str;
+    ;
+    char *right_expr = NULL;
+    char *str = rrex3->str;
+    bool first_time = true;
+    bool left_valid = true;
+    char *str_prev = NULL;
+    bool valid_from_start = true;
+    ;
+    while (*rrex3->str) {
+        if (!left_valid && !right_valid) {
+            break;
+        }
+        if (right_valid && !left_valid) {
+            str = right_str;
+            break;
+        }
+
+        rrex3->expr = right;
+        rrex3->str = str;
+#if RREX3_DEBUG == 1
+        printf("r");
+#endif
+        if (*rrex3->str && rrex3_move(rrex3, false)) {
+            right_valid++;
+            right_str = rrex3->str;
+            expr = rrex3->expr;
+            if (!right_valid_once) {
+                right_expr = rrex3->expr;
+                right_valid_once = true;
+            }
+        } else {
+            right_valid = 0;
+        }
+        if (first_time) {
+            first_time = false;
+            valid_from_start = right_valid;
+        }
+
+        if (right_valid && !valid_from_start && right_valid > 0) {
+            expr = right_expr - 1;
+            if (*(right - 1) == ')') {
+                expr = right - 1;
+            }
+            break;
+        }
+
+        if ((!right_valid && right_valid_once)) {
+            expr = right_expr;
+            if (*(right - 1) == ')') {
+                str = str_prev;
+                expr = right - 1;
+            }
+            break;
+        }
+
+        str_prev = str;
+        rrex3->valid = true;
+        rrex3->str = str;
+        rrex3->expr = left;
+#if RREX3_DEBUG == 1
+        printf("l");
+#endif
+        if (rrex3_move(rrex3, false)) {
+            left_valid = true;
+            str = rrex3->str;
+        } else {
+            left_valid = false;
+        }
+    }
+
+    rrex3->expr = expr;
+    rrex3->str = str;
+    rrex3->valid = true;
+
+#if RREX3_DEBUG == 1
+    rprintg("Asterisk end check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+}
+
+inline static void rrex3_cmp_asterisk2(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    rprintg("Asterisk start check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (!rrex3->valid) {
+        rrex3->valid = true;
+        rrex3->expr++;
+        return;
+    }
+    if (*rrex3->previous.expr == '*') {
+        // Support for **
+        rrex3->valid = false;
+        // rrex3->pattern_error = true;
+        rrex3->expr++;
+        return;
+    }
+    rrex3->str = rrex3->previous.str;
+    ;
+    char *next = rrex3->expr + 1;
+    char *next_original = NULL;
+    if (*next == '*') {
+        next++;
+    }
+    if (*next == ')' && *(next + 1)) {
+        next_original = next;
+        next++;
+    }
+    char *loop_expr = rrex3->previous.expr;
+    bool success_next = false;
+    bool success_next_once = false;
+    bool success_current = false;
+    char *right_next = NULL;
+    char *right_str = rrex3->str;
+    while (*rrex3->str && *rrex3->expr && *rrex3->expr != ')') {
+        // Remember original_str because it's modified
+        // by checking right and should be restored
+        // for checking left so they're matching the
+        // same value.
+        char *original_str = rrex3->str;
+        // Check if right matches.
+        // if(*next != ')'){
+        rrex3->expr = next;
+        rrex3->valid = true;
+        if (rrex3_move(rrex3, false)) {
+            // Match rright.
+            success_next = true;
+            if (!next_original) {
+                if (!success_next_once) {
+                    right_next = rrex3->expr;
+                }
+
+            } else {
+                right_next = next_original;
+                break;
+            }
+            right_str = rrex3->str;
+            success_next_once = true;
+        } else {
+            // No match Right.
+            success_next = false;
+        }
+        //}
+        if (success_next_once && !success_next) {
+            // Matched previous time but now doesn't.
+            break;
+        }
+        // Check if left matches.
+        rrex3->str = original_str;
+        rrex3->expr = loop_expr;
+        rrex3->valid = true;
+        if (!rrex3_move(rrex3, false)) {
+            // No match left.
+            success_current = false;
+        } else {
+            // Match left.
+            success_current = true;
+            // NOT SURE< WITHOUT DOET HETZELFDE:
+            // original_str = rrex3->str;
+            if (!success_next) {
+                right_str = rrex3->str;
+                if (*rrex3->expr != ')') {
+                    right_next = rrex3->expr + 1; // +1 is the * itself
+
+                } else {
+
+                    // break;
+                }
+            }
+        }
+
+        if ((success_next && !success_current) || (!success_next && !success_current)) {
+            break;
+        }
+    }
+    rrex3->expr = right_next;
+    rrex3->str = right_str;
+    rrex3->valid = true;
+#if RREX3_DEBUG == 1
+    rprintg("Asterisk end check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+}
+
+inline static void rrex3_cmp_roof(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+#if RREX3_DEBUG == 1
+    printf("<Roof check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3->valid = rrex3->str == rrex3->_str;
+    rrex3->match_from_start = true;
+    rrex3->expr++;
+}
+inline static void rrex3_cmp_dollar(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+#if RREX3_DEBUG == 1
+    printf("Dollar check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (*rrex3->str || !rrex3->valid) {
+        rrex3->valid = false;
+    }
+    rrex3->expr++;
+}
+
+inline static void rrex3_cmp_w(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+    rrex3->expr++;
+#if RREX3_DEBUG == 1
+    printf("Word check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (isalpha(*rrex3->str)) {
+        rrex3->str++;
+    } else {
+        rrex3->valid = false;
+    }
+}
+inline static void rrex3_cmp_w_upper(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+    rrex3->expr++;
+#if RREX3_DEBUG == 1
+    printf("!Word check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (!isalpha(*rrex3->str)) {
+        rrex3->str++;
+    } else {
+        rrex3->valid = false;
+    }
+}
+
+inline static void rrex3_cmp_d(rrex3_t *rrex3) {
+
+    rrex3_set_previous(rrex3);
+
+    rrex3->expr++;
+#if RREX3_DEBUG == 1
+    printf("Digit check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (isdigit(*rrex3->str)) {
+        rrex3->str++;
+    } else {
+        rrex3->valid = false;
+    }
+}
+inline static void rrex3_cmp_d_upper(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+    rrex3->expr++;
+#if RREX3_DEBUG == 1
+    printf("!Digit check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (!isdigit(*rrex3->str)) {
+        rrex3->str++;
+    } else {
+        rrex3->valid = false;
+    }
+}
+
+inline static void rrex3_cmp_slash(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+    rrex3->expr++;
+
+    rrex3->bytecode = *rrex3->expr;
+    rrex3->function = rrex3->slash_functions[(int)rrex3->bytecode];
+    rrex3->function(rrex3);
+}
+
+inline static int collect_digits(rrex3_t *rrex3) {
+    char output[20];
+    unsigned int digit_count = 0;
+    while (isdigit(*rrex3->expr)) {
+
+        output[digit_count] = *rrex3->expr;
+        rrex3->expr++;
+        digit_count++;
+    }
+    output[digit_count] = 0;
+    return atoi(output);
+}
+
+inline static void rrex3_cmp_range(rrex3_t *rrex3) {
+    char *loop_code = rrex3->previous.expr;
+    char *expr_original = rrex3->expr;
+    rrex3->expr++;
+    int range_start = collect_digits(rrex3) - 1;
+    int range_end = 0;
+    if (*rrex3->expr == ',') {
+        rrex3->expr++;
+        range_end = collect_digits(rrex3);
+    }
+    rrex3->expr++;
+    int times_valid = 0;
+    while (*rrex3->str) {
+        rrex3->expr = loop_code;
+        rrex3_move(rrex3, false);
+        if (rrex3->valid == false) {
+            break;
+        } else {
+            times_valid++;
+        }
+        if (range_end) {
+            if (times_valid >= range_start && times_valid == range_end - 1) {
+                rrex3->valid = true;
+            } else {
+                rrex3->valid = false;
+            }
+            break;
+        } else if (range_start) {
+            if (times_valid == range_start) {
+                rrex3->valid = true;
+                break;
+            }
+        }
+    }
+    rrex3->valid = times_valid >= range_start;
+    if (rrex3->valid && range_end) {
+        rrex3->valid = times_valid <= range_end;
+    }
+    rrex3->expr = strchr(expr_original, '}') + 1;
+}
+
+inline static void rrex3_cmp_word_start_or_end(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    if (*rrex3->expr != 'B') {
+        printf("Check word start or end: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+    }
+
+#endif
+    rrex3_set_previous(rrex3);
+    bool valid = false;
+    if (isalpha(*rrex3->str)) {
+        if (rrex3->_str != rrex3->str) {
+            if (!isalpha(*(rrex3->str - 1))) {
+                valid = true;
+            }
+        } else {
+            valid = true;
+        }
+    } else if (isalpha(isalpha(*rrex3->str) && !isalpha(*rrex3->str + 1))) {
+        valid = true;
+    }
+    rrex3->expr++;
+    rrex3->valid = valid;
+}
+inline static void rrex3_cmp_word_not_start_or_end(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    printf("Check word NOT start or end: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+
+#endif
+    rrex3_set_previous(rrex3);
+
+    rrex3_cmp_word_start_or_end(rrex3);
+    rrex3->valid = !rrex3->valid;
+}
+
+inline static void rrex3_cmp_brackets(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    rprintb("\\l Brackets start: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    rrex3_set_previous(rrex3);
+    char *original_expr = rrex3->expr;
+    rrex3->expr++;
+    rrex3->inside_brackets = true;
+    bool valid_once = false;
+    bool reversed = false;
+    if (*rrex3->expr == '^') {
+        reversed = true;
+        rrex3->expr++;
+    }
+    bool valid = false;
+    while (*rrex3->expr != ']' && *rrex3->expr != 0) {
+        rrex3->valid = true;
+        valid = rrex3_move(rrex3, false);
+        if (reversed) {
+            valid = !valid;
+        }
+        if (valid) {
+            valid_once = true;
+            if (!reversed) {
+                valid_once = true;
+                break;
+            }
+        } else {
+            if (reversed) {
+                valid_once = false;
+                break;
+            }
+        }
+    }
+    if (valid_once && reversed) {
+        rrex3->str++;
+    }
+    while (*rrex3->expr != ']' && *rrex3->expr != 0)
+        rrex3->expr++;
+    if (*rrex3->expr != 0)
+        rrex3->expr++;
+
+    rrex3->valid = valid_once;
+    rrex3->inside_brackets = false;
+    char *previous_expr = rrex3->expr;
+    rrex3->expr = original_expr;
+    rrex3_set_previous(rrex3);
+    rrex3->expr = previous_expr;
+#if RREX3_DEBUG == 1
+    rprintb("\\l Brackets end: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+}
+
+inline static void rrex3_cmp_pipe(rrex3_t *rrex3) {
+    rrex3_set_previous(rrex3);
+
+#if RREX3_DEBUG == 1
+    printf("Pipe check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+    if (rrex3->valid == true) {
+        rrex3->exit = true;
+    } else {
+        rrex3->valid = true;
+    }
+    rrex3->expr++;
+}
+inline static void rrex3_cmp_parentheses(rrex3_t *rrex3) {
+#if RREX3_DEBUG == 1
+    rprinty("\\l Parentheses start check: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+
+    rrex3_set_previous(rrex3);
+    if (!rrex3->valid) {
+        rrex3->expr++;
+        return;
+    }
+    if (rrex3->match_count == rrex3->match_capacity) {
+
+        rrex3->match_capacity++;
+        rrex3->matches = (char **)realloc(rrex3->matches, rrex3->match_capacity * sizeof(char *));
+    }
+    rrex3->matches[rrex3->match_count] = (char *)malloc(strlen(rrex3->str) + 1);
+    strcpy(rrex3->matches[rrex3->match_count], rrex3->str);
+    char *original_expr = rrex3->expr;
+    char *original_str = rrex3->str;
+    rrex3->expr++;
+    rrex3->inside_parentheses = true;
+    while (*rrex3->expr != ')' && !rrex3->exit) {
+        rrex3_move(rrex3, false);
+    }
+    while (*rrex3->expr != ')') {
+        rrex3->expr++;
+    }
+    rrex3->expr++;
+    rrex3->inside_parentheses = false;
+
+    char *previous_expr = rrex3->expr;
+    rrex3->expr = original_expr;
+    rrex3_set_previous(rrex3);
+    rrex3->expr = previous_expr;
+    if (rrex3->valid == false) {
+        rrex3->str = original_str;
+        free(rrex3->matches[rrex3->match_count]);
+    } else {
+        rrex3->matches[rrex3->match_count][strlen(rrex3->matches[rrex3->match_count]) - strlen(rrex3->str)] = 0;
+        rrex3->match_count++;
+    }
+#if RREX3_DEBUG == 1
+    rprinty("\\l Parentheses end: %c:%c:%d\n", *rrex3->expr, *rrex3->str, rrex3->valid);
+#endif
+}
+
+inline static void rrex3_reset(rrex3_t *rrex3) {
+    rrex3_free_matches(rrex3);
+    rrex3->valid = true;
+    rrex3->pattern_error = false;
+    rrex3->inside_brackets = false;
+    rrex3->inside_parentheses = false;
+    rrex3->exit = false;
+    rrex3->previous.expr = NULL;
+    rrex3->previous.str = NULL;
+    rrex3->previous.bytecode = 0;
+    rrex3->failed.expr = NULL;
+    rrex3->failed.str = NULL;
+    rrex3->failed.bytecode = 0;
+    rrex3->match_from_start = false;
+}
+
+void rrex3_init(rrex3_t *rrex3) {
+    for (__uint8_t i = 0; i < 254; i++) {
+        rrex3->functions[i] = rrex3_cmp_literal;
+        rrex3->slash_functions[i] = rrex3_cmp_literal;
+    }
+    rrex3->functions['?'] = rrex3_cmp_question_mark;
+    rrex3->functions['^'] = rrex3_cmp_roof;
+    rrex3->functions['$'] = rrex3_cmp_dollar;
+    rrex3->functions['.'] = rrex3_cmp_dot;
+    rrex3->functions['*'] = rrex3_cmp_asterisk;
+    rrex3->functions['+'] = rrex3_cmp_plus;
+    rrex3->functions['|'] = rrex3_cmp_pipe;
+    rrex3->functions['\\'] = rrex3_cmp_slash;
+    rrex3->functions['{'] = rrex3_cmp_range;
+    rrex3->functions['['] = rrex3_cmp_brackets;
+    rrex3->functions['('] = rrex3_cmp_parentheses;
+    rrex3->slash_functions['w'] = rrex3_cmp_w;
+    rrex3->slash_functions['W'] = rrex3_cmp_w_upper;
+    rrex3->slash_functions['d'] = rrex3_cmp_d;
+    rrex3->slash_functions['D'] = rrex3_cmp_d_upper;
+    rrex3->slash_functions['s'] = rrex3_cmp_whitespace;
+    rrex3->slash_functions['S'] = rrex3_cmp_whitespace_upper;
+    rrex3->slash_functions['b'] = rrex3_cmp_word_start_or_end;
+    rrex3->slash_functions['B'] = rrex3_cmp_word_not_start_or_end;
+    rrex3->match_count = 0;
+    rrex3->match_capacity = 0;
+    rrex3->matches = NULL;
+    rrex3->compiled = NULL;
+
+    rrex3_reset(rrex3);
+}
+
+rrex3_t *rrex3_new() {
+    rrex3_t *rrex3 = (rrex3_t *)malloc(sizeof(rrex3_t));
+
+    rrex3_init(rrex3);
+
+    return rrex3;
+}
+
+rrex3_t *rrex3_compile(rrex3_t *rrex, char *expr) {
+
+    rrex3_t *rrex3 = rrex ? rrex : rrex3_new();
+
+    char *compiled = (char *)malloc(strlen(expr) + 1);
+    unsigned int count = 0;
+    while (*expr) {
+        if (*expr == '[' && *(expr + 2) == ']') {
+            *compiled = *(expr + 1);
+            expr++;
+            expr++;
+        } else if (*expr == '[' && *(expr + 1) == '0' && *(expr + 2) == '-' && *(expr + 3) == '9' && *(expr + 4) == ']') {
+            *compiled = '\\';
+            compiled++;
+            *compiled = 'd';
+            count++;
+            expr++;
+            expr++;
+            expr++;
+            expr++;
+        } else {
+            *compiled = *expr;
+        }
+        if (*compiled == '[') {
+            // in_brackets = true;
+
+        } else if (*compiled == ']') {
+            // in_brackets = false;
+        }
+        expr++;
+        compiled++;
+        count++;
+    }
+    *compiled = 0;
+    compiled -= count;
+    rrex3->compiled = compiled;
+    return rrex3;
+}
+
+inline static void rrex3_set_previous(rrex3_t *rrex3) {
+    rrex3->previous.function = rrex3->function;
+    rrex3->previous.expr = rrex3->expr;
+    rrex3->previous.str = rrex3->str;
+    rrex3->previous.bytecode = *rrex3->expr;
+}
+
+static bool rrex3_move(rrex3_t *rrex3, bool resume_on_fail) {
+    char *original_expr = rrex3->expr;
+    char *original_str = rrex3->str;
+    rrex3->bytecode = *rrex3->expr;
+    rrex3->function = rrex3->functions[(int)rrex3->bytecode];
+    rrex3->function(rrex3);
+    if (!*rrex3->expr && !*rrex3->str) {
+        rrex3->exit = true;
+        return rrex3->valid;
+    } else if (!*rrex3->expr) {
+        // rrex3->valid = true;
+        return rrex3->valid;
+    }
+    if (rrex3->pattern_error) {
+        rrex3->valid = false;
+        return rrex3->valid;
+    }
+    if (resume_on_fail && !rrex3->valid && *rrex3->expr) {
+
+        // rrex3_set_previous(rrex3);
+        rrex3->failed.bytecode = rrex3->bytecode;
+        rrex3->failed.function = rrex3->function;
+        rrex3->failed.expr = original_expr;
+        rrex3->failed.str = original_str;
+        rrex3->bytecode = *rrex3->expr;
+        rrex3->function = rrex3->functions[(int)rrex3->bytecode];
+        rrex3->function(rrex3);
+
+        if (!rrex3->valid && !rrex3->pattern_error) {
+
+            if (*rrex3->str) {
+                char *pipe_position = strstr(rrex3->expr, "|");
+                if (pipe_position != NULL) {
+                    rrex3->expr = pipe_position + 1;
+                    rrex3->str = rrex3->_str;
+                    rrex3->valid = true;
+                    return true;
+                }
+            }
+            if (rrex3->match_from_start) {
+                rrex3->valid = false;
+                return rrex3->valid;
+            }
+            if (!*rrex3->str++) {
+                rrex3->valid = false;
+                return rrex3->valid;
+            }
+            rrex3->expr = rrex3->_expr;
+            if (*rrex3->str)
+                rrex3->valid = true;
+        }
+    } else {
+    }
+    return rrex3->valid;
+}
+
+rrex3_t *rrex3(rrex3_t *rrex3, char *str, char *expr) {
+#if RREX3_DEBUG == 1
+    printf("Regex check: %s:%s:%d\n", expr, str, 1);
+#endif
+    bool self_initialized = false;
+    if (rrex3 == NULL) {
+        self_initialized = true;
+        rrex3 = rrex3_new();
+    } else {
+        rrex3_reset(rrex3);
+    }
+
+    rrex3->_str = str;
+    rrex3->_expr = rrex3->compiled ? rrex3->compiled : expr;
+    rrex3->str = rrex3->_str;
+    rrex3->expr = rrex3->_expr;
+    while (*rrex3->expr && !rrex3->exit) {
+        if (!rrex3_move(rrex3, true))
+            return NULL;
+    }
+    rrex3->expr = rrex3->_expr;
+    if (rrex3->valid) {
+
+        return rrex3;
+    } else {
+        if (self_initialized) {
+            rrex3_free(rrex3);
+        }
+        return NULL;
+    }
+}
+
+void rrex3_test() {
+    rrex3_t *rrex = rrex3_new();
+
+    assert(rrex3(rrex, "\"stdio.h\"\"string.h\"\"sys/time.h\"", "\"(.*)\"\"(.*)\"\"(.*)\""));
+
+    assert(rrex3(rrex, "aaaaaaa", "a*a$"));
+
+    // assert(rrex3("ababa", "a*b*a*b*a$"));
+    assert(rrex3(rrex, "#include\"test.h\"a", "#include.*\".*\"a$"));
+    assert(rrex3(rrex, "#include \"test.h\"a", "#include.*\".*\"a$"));
+    assert(rrex3(rrex, "aaaaaad", "a*d$"));
+    assert(rrex3(rrex, "abcdef", "abd?cdef"));
+    assert(!rrex3(rrex, "abcdef", "abd?def"));
+    assert(rrex3(rrex, "abcdef", "def"));
+    assert(!rrex3(rrex, "abcdef", "^def"));
+    assert(rrex3(rrex, "abcdef", "def$"));
+    assert(!rrex3(rrex, "abcdef", "^abc$"));
+    assert(rrex3(rrex, "aB!.#1", "......"));
+    assert(!rrex3(rrex, "aB!.#\n", "      ......"));
+    assert(!rrex3(rrex, "aaaaaad", "q+d$"));
+    assert(rrex3(rrex, "aaaaaaa", "a+a$"));
+    assert(rrex3(rrex, "aaaaaad", "q*d$"));
+    assert(!rrex3(rrex, "aaaaaad", "^q*d$"));
+
+    // Asterisk function
+    assert(rrex3(rrex, "123321", "123*321"));
+    assert(rrex3(rrex, "pony", "p*ony"));
+    assert(rrex3(rrex, "pppony", "p*ony"));
+    assert(rrex3(rrex, "ppony", "p*pony"));
+    assert(rrex3(rrex, "pppony", "pp*pony"));
+    assert(rrex3(rrex, "pppony", ".*pony"));
+    assert(rrex3(rrex, "pony", ".*ony"));
+    assert(rrex3(rrex, "pony", "po*ny"));
+    // assert(rrex3(rrex,"ppppony", "p*pppony"));
+
+    // Plus function
+    assert(rrex3(rrex, "pony", "p+ony"));
+    assert(!rrex3(rrex, "ony", "p+ony"));
+    assert(rrex3(rrex, "ppony", "p+pony"));
+    assert(rrex3(rrex, "pppony", "pp+pony"));
+    assert(rrex3(rrex, "pppony", ".+pony"));
+    assert(rrex3(rrex, "pony", ".+ony"));
+    assert(rrex3(rrex, "pony", "po+ny"));
+
+    // Slash functions
+    assert(rrex3(rrex, "a", "\\w"));
+    assert(!rrex3(rrex, "1", "\\w"));
+    assert(rrex3(rrex, "1", "\\W"));
+    assert(!rrex3(rrex, "a", "\\W"));
+    assert(rrex3(rrex, "a", "\\S"));
+    assert(!rrex3(rrex, " ", "\\s"));
+    assert(!rrex3(rrex, "\t", "\\s"));
+    assert(!rrex3(rrex, "\n", "\\s"));
+    assert(rrex3(rrex, "1", "\\d"));
+    assert(!rrex3(rrex, "a", "\\d"));
+    assert(rrex3(rrex, "a", "\\D"));
+    assert(!rrex3(rrex, "1", "\\D"));
+    assert(rrex3(rrex, "abc", "\\b"));
+
+    assert(rrex3(rrex, "abc", "\\babc"));
+    assert(!rrex3(rrex, "abc", "a\\b"));
+    assert(!rrex3(rrex, "abc", "ab\\b"));
+    assert(!rrex3(rrex, "abc", "abc\\b"));
+    assert(rrex3(rrex, "abc", "a\\Bbc"));
+    assert(rrex3(rrex, "abc", "ab\\B"));
+    assert(!rrex3(rrex, "1ab", "1\\Bab"));
+    assert(rrex3(rrex, "abc", "a\\Bbc"));
+
+    // Escaping of special chars
+    assert(rrex3(rrex, "()+*.\\", "\\(\\)\\+\\*\\.\\\\"));
+
+    // Pipe
+    // assert(rrex3(rrex,"abc","abc|def"));
+    assert(rrex3(rrex, "abc", "def|jkl|abc"));
+    assert(rrex3(rrex, "abc", "abc|def"));
+
+    assert(rrex3(rrex, "rhq", "def|rhq|rha"));
+    assert(rrex3(rrex, "abc", "abc|def"));
+
+    // Repeat
+    assert(rrex3(rrex, "aaaaa", "a{4}"));
+
+    assert(rrex3(rrex, "aaaa", "a{1,3}a"));
+
+    // Range
+    assert(rrex3(rrex, "abc", "[abc][abc][abc]$"));
+    assert(rrex3(rrex, "def", "[^abc][^abc][^abc]$"));
+    assert(rrex3(rrex, "defabc", "[^abc][^abc][^abc]abc"));
+    assert(rrex3(rrex, "0-9", "0-9"));
+    assert(rrex3(rrex, "55-9", "[^6-9]5-9$"));
+    assert(rrex3(rrex, "a", "[a-z]$"));
+    assert(rrex3(rrex, "A", "[A-Z]$"));
+    assert(rrex3(rrex, "5", "[0-9]$"));
+    assert(!rrex3(rrex, "a", "[^a-z]$"));
+    assert(!rrex3(rrex, "A", "[^A-Z]$"));
+    assert(!rrex3(rrex, "5", "[^0-9]$"));
+    assert(rrex3(rrex, "123abc", "[0-9]*abc$"));
+    assert(rrex3(rrex, "123123", "[0-9]*$"));
+
+    // Parentheses
+
+    assert(rrex3(rrex, "datadata", "(data)*"));
+
+    assert(rrex3(rrex, "datadatapony", "(data)*pony$"));
+
+    assert(!rrex3(rrex, "datadatapony", "(d*p*ata)*pond$"));
+    assert(rrex3(rrex, "datadatadato", "(d*p*ata)*dato"));
+    assert(rrex3(rrex, "datadatadato", "(d*p*ata)*dato$"));
+    assert(!rrex3(rrex, "datadatadato", "(d*p*a*ta)*gato$"));
+
+    // Matches
+    assert(rrex3(rrex, "123", "(123)"));
+    assert(!strcmp(rrex->matches[0], "123"));
+
+    assert(rrex3(rrex, "123321a", "(123)([0-4][2]1)a$"));
+    assert(!strcmp(rrex->matches[1], "321"));
+
+    assert(rrex3(rrex, "123321a", "(123)([0-4][2]1)a$"));
+    assert(!strcmp(rrex->matches[1], "321"));
+
+    assert(rrex3(rrex, "aaaabc", "(.*)c"));
+
+    assert(rrex3(rrex, "abcde", ".....$"));
+
+    assert(rrex3(rrex, "abcdefghijklmnopqrstuvwxyz", "..........................$"));
+    // printf("(%d)\n", rrex->valid);
+
+    assert(rrex3(rrex, "#include <stdio.h>", "#include.*<(.*)>"));
+    assert(!strcmp(rrex->matches[0], "stdio.h"));
+    assert(rrex3(rrex, "#include \"stdlib.h\"", "#include.\"(.*)\""));
+    assert(!strcmp(rrex->matches[0], "stdlib.h"));
+    assert(rrex3(rrex, "\"stdio.h\"\"string.h\"\"sys/time.h\"", "\"(.*)\"\"(.*)\"\"(.*)\""));
+    assert(!strcmp(rrex->matches[0], "stdio.h"));
+    assert(!strcmp(rrex->matches[1], "string.h"));
+    assert(!strcmp(rrex->matches[2], "sys/time.h"));
+
+    assert(rrex3(rrex, "    #include <stdio.h>", "#include.+<(.+)>"));
+    assert(!strcmp(rrex->matches[0], "stdio.h"));
+    assert(rrex3(rrex, "    #include \"stdlib.h\"", "#include.+\"(.+)\""));
+    assert(!strcmp(rrex->matches[0], "stdlib.h"));
+
+    assert(rrex3(rrex, "    \"stdio.h\"\"string.h\"\"sys/time.h\"", "\"(.+)\"\"(.+)\"\"(.+)\""));
+    assert(!strcmp(rrex->matches[0], "stdio.h"));
+    assert(!strcmp(rrex->matches[1], "string.h"));
+    assert(!strcmp(rrex->matches[2], "sys/time.h"));
+
+    assert(rrex3(rrex, "int abc ", "int (.*)[; ]?$"));
+    assert(!strcmp(rrex->matches[0], "abc"));
+    assert(rrex3(rrex, "int abc;", "int (.*)[; ]?$"));
+    assert(!strcmp(rrex->matches[0], "abc"));
+    assert(rrex3(rrex, "int abc", "int (.*)[; ]?$"));
+    assert(!strcmp(rrex->matches[0], "abc"));
+
+    rrex3_free(rrex);
+}
+#endif
+#ifndef RARENA_H
+#define RARENA_H
+
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct arena_t {
+    unsigned char *memory;
+    unsigned int pointer;
+    unsigned int size;
+} arena_t;
+
+arena_t *arena_construct() {
+    arena_t *arena = (arena_t *)rmalloc(sizeof(arena_t));
+    arena->memory = NULL;
+    arena->pointer = 0;
+    arena->size = 0;
+    return arena;
+}
+
+arena_t *arena_new(size_t size) {
+    arena_t *arena = arena_construct();
+    arena->memory = (unsigned char *)rmalloc(size);
+    arena->size = size;
+    return arena;
+}
+
+void *arena_alloc(arena_t *arena, size_t size) {
+    if (arena->pointer + size > arena->size) {
+        return NULL;
+    }
+    void *p = arena->memory + arena->pointer;
+    arena->pointer += size;
+    return p;
+}
+
+void arena_free(arena_t *arena) {
+    // Just constructed and unused arena memory is NULL so no free needed
+    if (arena->memory) {
+        rfree(arena->memory);
+    }
+    rfree(arena);
+}
+
+void arena_reset(arena_t *arena) { arena->pointer = 0; }
+#endif
+#ifndef RCASE_H
+#define RCASE_H
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#define RCAMEL_CASE 1
+#define RSNAKE_CASE 2
+#define RINVALID_CASE 0
+#define RCONST_TEST_T 4;
+
+int rdetermine_case(const char *str) {
+    int length = strlen(str);
+
+    char p = 0;
+    while (*str) {
+        if (p == '_' && islower(*str))
+            return RSNAKE_CASE;
+        if (p != '_' && !isupper(p) && isupper(*str))
+            return RCAMEL_CASE;
+        p = *str;
+        str++;
+    }
+    return RINVALID_CASE;
+
+    if (length == 0) {
+        return RINVALID_CASE;
+    }
+    if (strchr(str, '_')) {
+        if (str[0] == '_' || str[length - 1] == '_' || strstr(str, "__")) {
+            return RINVALID_CASE;
+        }
+        for (int i = 0; i < length; i++) {
+            if (!islower(str[i]) && str[i] != '_') {
+                return RINVALID_CASE;
+            }
+        }
+        return RSNAKE_CASE;
+    } else {
+
+        if (!islower(str[0])) {
+            return RINVALID_CASE;
+        }
+        for (int i = 1; i < length; i++) {
+            if (str[i] == '_') {
+                return RINVALID_CASE;
+            }
+            if (isupper(str[i]) && isupper(str[i - 1])) {
+                return RINVALID_CASE;
+            }
+        }
+        return RCAMEL_CASE;
+    }
+}
+
+char *rsnake_to_camel(const char *snake_case) {
+    int length = strlen(snake_case);
+    char *camel_case = (char *)malloc(length + 1);
+    int j = 0;
+    int toUpper = 0;
+
+    for (int i = 0; i < length; i++) {
+        if (i > 0 && snake_case[i] == '_' && snake_case[i + 1] == 'T') {
+            toUpper = 1;
+            if (snake_case[i + 1] == 'T' && (snake_case[i + 2] != '\n' || snake_case[i + 2] != '\0' || snake_case[i + 2] != ' ')) {
+
+                toUpper = 0;
+            }
+        }
+        if (snake_case[i] == '_' && snake_case[i + 1] != 't') {
+            toUpper = 1;
+            if (snake_case[i + 1] == 't' && (snake_case[i + 2] != '\n' || snake_case[i + 2] != '\0' || snake_case[i + 2] != ' ')) {
+                toUpper = 0;
+            }
+        } else if (snake_case[i] == '_' && snake_case[i + 1] == 't' && !isspace(snake_case[i + 2])) {
+            toUpper = 1;
+        } else if (snake_case[i] == '_' && snake_case[i + 1] == 'T' && !isspace(snake_case[i + 2])) {
+            toUpper = 1;
+            camel_case[j++] = '_';
+            j++;
+        } else {
+            if (toUpper) {
+                camel_case[j++] = toupper(snake_case[i]);
+                toUpper = 0;
+            } else {
+                camel_case[j++] = snake_case[i];
+            }
+        }
+    }
+
+    camel_case[j] = '\0';
+    return camel_case;
+}
+char *rcamel_to_snake(const char *camelCase) {
+    int length = strlen(camelCase);
+    char *snake_case = (char *)malloc(2 * length + 1);
+    int j = 0;
+
+    for (int i = 0; i < length; i++) {
+        if (isupper(camelCase[i])) {
+            if (i != 0) {
+                snake_case[j++] = '_';
+            }
+            snake_case[j++] = tolower(camelCase[i]);
+        } else {
+            snake_case[j++] = camelCase[i];
+        }
+    }
+
+    snake_case[j] = '\0';
+    return snake_case;
+}
+
+char *rflip_case(char *content) {
+    if (rdetermine_case(content) == RSNAKE_CASE) {
+        return rcamel_to_snake(content);
+    } else if (rdetermine_case(content) == RCAMEL_CASE) {
+        return rsnake_to_camel(content);
+    } else {
+        rprintr("Could not determine case\n");
+        return NULL;
+    }
+}
+
+char *rflip_case_file(char *filepath) {
+    size_t file_size = rfile_size(filepath);
+    if (file_size == 0) {
+        return NULL;
+    }
+    char *content = (char *)malloc(file_size);
+    char *result = NULL;
+    if (rfile_readb(filepath, content, file_size)) {
+        result = rflip_case(content);
+        if (result) {
+            free(content);
+            return result;
+        } else {
+            return content;
+        }
+    }
+    return result;
+}
+
+int rcase_main(int argc, char *argv[]) {
+    if (argc < 2) {
+        printf("usage: rcase <file>\n");
+        return 1;
+    }
+    for (int i = 1; i < argc; i++) {
+        char *result = rflip_case_file(argv[i]);
+        if (result) {
+            printf("%s\n", result);
+            free(result);
+        }
+    }
+    return 0;
+}
+#endif
+
+#ifndef RTERM_H
+#define RTERM_H
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+typedef struct winsize winsize_t;
+
+typedef struct rshell_keypress_t {
+    bool pressed;
+    bool ctrl;
+    bool shift;
+    bool escape;
+    char c;
+    int ms;
+    int fd;
+} rshell_keypress_t;
+
+typedef struct rterm_t {
+    bool show_cursor;
+    bool show_footer;
+    int ms_tick;
+    rshell_keypress_t key;
+    void (*before_cursor_move)(struct rterm_t *);
+    void (*after_cursor_move)(struct rterm_t *);
+    void (*after_key_press)(struct rterm_t *);
+    void (*before_key_press)(struct rterm_t *);
+    void (*before_draw)(struct rterm_t *);
+    void (*after_draw)(struct rterm_t *);
+    void *session;
+    unsigned long iterations;
+    void (*tick)(struct rterm_t *);
+    char *status_text;
+    char *_status_text_previous;
+    winsize_t size;
+    struct {
+        int x;
+        int y;
+        int pos;
+        int available;
+    } cursor;
+} rterm_t;
+
+typedef void (*rterm_event)(rterm_t *);
+
+void rterm_init(rterm_t *rterm) {
+    memset(rterm, 0, sizeof(rterm_t));
+    rterm->show_cursor = true;
+    rterm->cursor.x = 0;
+    rterm->cursor.y = 0;
+    rterm->ms_tick = 100;
+    rterm->_status_text_previous = NULL;
+}
+
+void rterm_getwinsize(winsize_t *w) {
+    // Get the terminal size
+    if (ioctl(STDOUT_FILENO, TIOCGWINSZ, w) == -1) {
+        perror("ioctl");
+        exit(EXIT_FAILURE);
+    }
+}
+
+void rrawfd(int fd) {
+    struct termios orig_termios;
+    tcgetattr(fd, &orig_termios); // Get current terminal attributes
+
+    struct termios raw = orig_termios;
+    raw.c_lflag &= ~(ICANON | ISIG | ECHO); // ECHO // Disable canonical mode and echoing
+    raw.c_cc[VMIN] = 1;
+    raw.c_cc[VTIME] = 240; // Set timeout for read input
+
+    tcsetattr(fd, TCSAFLUSH, &raw);
+}
+
+// Terminal setup functions
+void enableRawMode(struct termios *orig_termios) {
+
+    struct termios raw = *orig_termios;
+    raw.c_lflag &= ~(ICANON | ECHO); // Disable canonical mode and echoing
+    raw.c_cc[VMIN] = 1;
+    raw.c_cc[VTIME] = 240; // Set timeout for read input
+
+    tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw);
+}
+
+void disableRawMode(struct termios *orig_termios) {
+    tcsetattr(STDIN_FILENO, TCSAFLUSH,
+              orig_termios); // Restore original terminal settings
+}
+
+void rterm_clear_screen() {
+    printf("\x1b[2J"); // Clear the entire screen
+    printf("\x1b[H");  // Move cursor to the home position (0,0)
+}
+
+void setBackgroundColor() {
+    printf("\x1b[34m"); // Set background color to blue
+}
+
+void rterm_move_cursor(int x, int y) {
+
+    printf("\x1b[%d;%dH", y + 1, x + 1); // Move cursor to (x, y)
+}
+
+void cursor_set(rterm_t *rt, int x, int y) {
+    rt->cursor.x = x;
+    rt->cursor.y = y;
+    rt->cursor.pos = y * rt->size.ws_col + x;
+    rterm_move_cursor(rt->cursor.x, rt->cursor.y);
+}
+void cursor_restore(rterm_t *rt) { rterm_move_cursor(rt->cursor.x, rt->cursor.y); }
+
+void rterm_print_status_bar(rterm_t *rt, char c, unsigned long i) {
+    if (rt->_status_text_previous && !strcmp(rt->_status_text_previous, rt->status_text)) {
+        return;
+    }
+    if (rt->_status_text_previous) {
+        free(rt->_status_text_previous);
+    }
+    rt->_status_text_previous = strdup(rt->status_text);
+    winsize_t ws = rt->size;
+    cursor_set(rt, rt->cursor.x, rt->cursor.y);
+    rterm_move_cursor(0, ws.ws_row - 1);
+
+    char output_str[1024];
+    output_str[0] = 0;
+
+    // strcat(output_str, "\x1b[48;5;240m");
+
+    for (int i = 0; i < ws.ws_col; i++) {
+        strcat(output_str, " ");
+    }
+    char content[500];
+    content[0] = 0;
+    if (!rt->status_text) {
+        sprintf(content, "\rp:%d:%d | k:%c:%d | i:%ld ", rt->cursor.x + 1, rt->cursor.y + 1, c == 0 ? '0' : c, c, i);
+    } else {
+        sprintf(content, "\r%s", rt->status_text);
+    }
+    strcat(output_str, content);
+    // strcat(output_str, "\x1b[0m");
+    printf("%s", output_str);
+    cursor_restore(rt);
+}
+
+void rterm_show_cursor() {
+    printf("\x1b[?25h"); // Show the cursor
+}
+
+void rterm_hide_cursor() {
+    printf("\x1b[?25l"); // Hide the cursor
+}
+
+rshell_keypress_t rshell_getkey(rterm_t *rt) {
+    static rshell_keypress_t press;
+    press.c = 0;
+    press.ctrl = false;
+    press.shift = false;
+    press.escape = false;
+    press.pressed = rfd_wait(0, rt->ms_tick);
+    if (!press.pressed) {
+        return press;
+    }
+    press.c = getchar();
+    char ch = press.c;
+    if (ch == '\x1b') {
+        // Get detail
+        ch = getchar();
+
+        if (ch == '[') {
+            // non char key:
+            press.escape = true;
+
+            ch = getchar(); // is a number. 1 if shift + arrow
+            press.c = ch;
+            if (ch >= '0' && ch <= '9')
+                ch = getchar();
+            press.c = ch;
+            if (ch == ';') {
+                ch = getchar();
+                press.c = ch;
+                if (ch == '5') {
+                    press.ctrl = true;
+                    press.c = getchar(); // De arrow
+                }
+            }
+        } else if (ch == 27) {
+            press.escape = true;
+            press.c = ch;
+        } else {
+            press.c = ch;
+        }
+    }
+    return press;
+}
+
+// Main function
+void rterm_loop(rterm_t *rt) {
+    struct termios orig_termios;
+    tcgetattr(STDIN_FILENO, &orig_termios); // Get current terminal attributes
+    enableRawMode(&orig_termios);
+
+    int x = 0, y = 0; // Initial cursor position
+    char ch = 0;
+
+    ;
+    while (1) {
+        rterm_getwinsize(&rt->size);
+        rt->cursor.available = rt->size.ws_col * rt->size.ws_row;
+        if (rt->tick) {
+            rt->tick(rt);
+        }
+
+        rterm_hide_cursor();
+        setBackgroundColor();
+        rterm_clear_screen();
+        if (rt->before_draw) {
+            rt->before_draw(rt);
+        }
+        rterm_print_status_bar(rt, ch, rt->iterations);
+        if (rt->after_draw) {
+            rt->after_draw(rt);
+        }
+        if (!rt->iterations || (x != rt->cursor.x || y != rt->cursor.y)) {
+            if (rt->cursor.y == rt->size.ws_row) {
+                rt->cursor.y--;
+            }
+            if (rt->cursor.y < 0) {
+                rt->cursor.y = 0;
+            }
+            x = rt->cursor.x;
+            y = rt->cursor.y;
+            if (rt->before_cursor_move)
+                rt->before_cursor_move(rt);
+            cursor_set(rt, rt->cursor.x, rt->cursor.y);
+            if (rt->after_cursor_move)
+                rt->after_cursor_move(rt);
+            // x = rt->cursor.x;
+            // y = rt->cursor.y;
+        }
+        if (rt->show_cursor)
+            rterm_show_cursor();
+
+        fflush(stdout);
+
+        rt->key = rshell_getkey(rt);
+        if (rt->key.pressed && rt->before_key_press) {
+            rt->before_key_press(rt);
+        }
+        rshell_keypress_t key = rt->key;
+        ch = key.c;
+        if (ch == 'q')
+            break; // Press 'q' to quit
+        if (key.c == -1) {
+            nsleep(1000 * 1000);
+        }
+        // Escape
+        if (key.escape) {
+            switch (key.c) {
+            case 65: // Move up
+                if (rt->cursor.y > -1)
+                    rt->cursor.y--;
+                break;
+            case 66: // Move down
+                if (rt->cursor.y < rt->size.ws_row)
+                    rt->cursor.y++;
+                break;
+            case 68: // Move left
+                if (rt->cursor.x > 0)
+                    rt->cursor.x--;
+                if (key.ctrl)
+                    rt->cursor.x -= 4;
+                break;
+            case 67: // Move right
+                if (rt->cursor.x < rt->size.ws_col) {
+                    rt->cursor.x++;
+                }
+                if (key.ctrl) {
+                    rt->cursor.x += 4;
+                }
+                break;
+            }
+        }
+
+        if (rt->key.pressed && rt->after_key_press) {
+            rt->after_key_press(rt);
+        }
+        rt->iterations++;
+
+        //  usleep (1000);
+    }
+
+    // Cleanup
+    printf("\x1b[0m"); // Reset colors
+    rterm_clear_screen();
+    disableRawMode(&orig_termios);
+}
+#endif
+
+#ifndef RTREE_H
+#define RTREE_H
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct rtree_t {
+    struct rtree_t *next;
+    struct rtree_t *children;
+    char c;
+    void *data;
+} rtree_t;
+
+rtree_t *rtree_new() {
+    rtree_t *b = (rtree_t *)rmalloc(sizeof(rtree_t));
+    b->next = NULL;
+    b->children = NULL;
+    b->c = 0;
+    b->data = NULL;
+    return b;
+}
+
+rtree_t *rtree_set(rtree_t *b, char *c, void *data) {
+    while (b) {
+        if (b->c == 0) {
+            b->c = *c;
+            c++;
+            if (*c == 0) {
+                b->data = data;
+                // printf("SET1 %c\n", b->c);
+                return b;
+            }
+        } else if (b->c == *c) {
+            c++;
+            if (*c == 0) {
+                b->data = data;
+                return b;
+            }
+            if (b->children) {
+                b = b->children;
+            } else {
+                b->children = rtree_new();
+                b = b->children;
+            }
+        } else if (b->next) {
+            b = b->next;
+        } else {
+            b->next = rtree_new();
+            b = b->next;
+            b->c = *c;
+            c++;
+            if (*c == 0) {
+                b->data = data;
+                return b;
+            } else {
+                b->children = rtree_new();
+                b = b->children;
+            }
+        }
+    }
+    return NULL;
+}
+
+rtree_t *rtree_find(rtree_t *b, char *c) {
+    while (b) {
+        if (b->c == *c) {
+            c++;
+            if (*c == 0) {
+                return b;
+            }
+            b = b->children;
+            continue;
+        }
+        b = b->next;
+    }
+    return NULL;
+}
+
+void rtree_free(rtree_t *b) {
+    if (!b)
+        return;
+    rtree_free(b->children);
+    rtree_free(b->next);
+    rfree(b);
+}
+
+void *rtree_get(rtree_t *b, char *c) {
+    rtree_t *t = rtree_find(b, c);
+    if (t) {
+        return t->data;
+    }
+    return NULL;
+}
+#endif
+#ifndef RLEXER_H
+#define RLEXER_H
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#define RTOKEN_VALUE_SIZE 1024
+
+typedef enum rtoken_type_t {
+    RT_UNKNOWN = 0,
+    RT_SYMBOL,
+    RT_NUMBER,
+    RT_STRING,
+    RT_PUNCT,
+    RT_OPERATOR,
+    RT_EOF = 10,
+    RT_BRACE_OPEN,
+    RT_CURLY_BRACE_OPEN,
+    RT_BRACKET_OPEN,
+    RT_BRACE_CLOSE,
+    RT_CURLY_BRACE_CLOSE,
+    RT_BRACKET_CLOSE
+} rtoken_type_t;
+
+typedef struct rtoken_t {
+    rtoken_type_t type;
+    char value[RTOKEN_VALUE_SIZE];
+    unsigned int line;
+    unsigned int col;
+} rtoken_t;
+
+static char *_content;
+static unsigned int _content_ptr;
+static unsigned int _content_line;
+static unsigned int _content_col;
+
+static int isgroupingchar(char c) {
+    return (c == '{' || c == '}' || c == '(' || c == ')' || c == '[' || c == ']' || c == '"' || c == '\'');
+}
+
+static int isoperator(char c) {
+    return (c == '+' || c == '-' || c == '/' || c == '*' || c == '=' || c == '>' || c == '<' || c == '|' || c == '&');
+}
+
+static rtoken_t rtoken_new() {
+    rtoken_t token;
+    memset(&token, 0, sizeof(token));
+    token.type = RT_UNKNOWN;
+    return token;
+}
+
+rtoken_t rlex_number() {
+    rtoken_t token = rtoken_new();
+    token.col = _content_col;
+    token.line = _content_line;
+    bool first_char = true;
+    int dot_count = 0;
+    char c;
+    while (isdigit(c = _content[_content_ptr]) || (first_char && _content[_content_ptr] == '-') ||
+           (dot_count == 0 && _content[_content_ptr] == '.')) {
+        if (c == '.')
+            dot_count++;
+        first_char = false;
+        char chars[] = {c, 0};
+        strcat(token.value, chars);
+        _content_ptr++;
+        _content_col++;
+    }
+    token.type = RT_NUMBER;
+    return token;
+}
+
+static rtoken_t rlex_symbol() {
+    rtoken_t token = rtoken_new();
+
+    token.col = _content_col;
+    token.line = _content_line;
+    char c;
+    while (isalpha(_content[_content_ptr]) || _content[_content_ptr] == '_') {
+        c = _content[_content_ptr];
+        char chars[] = {c, 0};
+        strcat(token.value, chars);
+        _content_ptr++;
+        _content_col++;
+    }
+    token.type = RT_SYMBOL;
+    return token;
+}
+
+static rtoken_t rlex_operator() {
+
+    rtoken_t token = rtoken_new();
+
+    token.col = _content_col;
+    token.line = _content_line;
+    char c;
+    bool is_first = true;
+    while (isoperator(_content[_content_ptr])) {
+        if (!is_first) {
+            if (_content[_content_ptr - 1] == '=' && _content[_content_ptr] == '-') {
+                break;
+            }
+        }
+        c = _content[_content_ptr];
+        char chars[] = {c, 0};
+        strcat(token.value, chars);
+        _content_ptr++;
+        _content_col++;
+        is_first = false;
+    }
+    token.type = RT_OPERATOR;
+    return token;
+}
+
+static rtoken_t rlex_punct() {
+
+    rtoken_t token = rtoken_new();
+
+    token.col = _content_col;
+    token.line = _content_line;
+    char c;
+    bool is_first = true;
+    while (ispunct(_content[_content_ptr])) {
+        if (!is_first) {
+            if (_content[_content_ptr] == '"') {
+                break;
+            }
+            if (_content[_content_ptr] == '\'') {
+                break;
+            }
+            if (isgroupingchar(_content[_content_ptr])) {
+                break;
+            }
+            if (isoperator(_content[_content_ptr])) {
+                break;
+            }
+        }
+        c = _content[_content_ptr];
+        char chars[] = {c, 0};
+        strcat(token.value, chars);
+        _content_ptr++;
+        _content_col++;
+        is_first = false;
+    }
+    token.type = RT_PUNCT;
+    return token;
+}
+
+static rtoken_t rlex_string() {
+    rtoken_t token = rtoken_new();
+    char c;
+    token.col = _content_col;
+    token.line = _content_line;
+    char str_chr = _content[_content_ptr];
+    _content_ptr++;
+    while (_content[_content_ptr] != str_chr) {
+        c = _content[_content_ptr];
+        if (c == '\\') {
+            _content_ptr++;
+            c = _content[_content_ptr];
+            if (c == 'n') {
+                c = '\n';
+            } else if (c == 'r') {
+                c = '\r';
+            } else if (c == 't') {
+                c = '\t';
+            } else if (c == str_chr) {
+                c = str_chr;
+            }
+
+            _content_col++;
+        }
+        char chars[] = {c, 0};
+        strcat(token.value, chars);
+        _content_ptr++;
+        _content_col++;
+    }
+    _content_ptr++;
+    token.type = RT_STRING;
+    return token;
+}
+
+void rlex(char *content) {
+    _content = content;
+    _content_ptr = 0;
+    _content_col = 1;
+    _content_line = 1;
+}
+
+static void rlex_repeat_str(char *dest, char *src, unsigned int times) {
+    for (size_t i = 0; i < times; i++) {
+        strcat(dest, src);
+    }
+}
+
+rtoken_t rtoken_create(rtoken_type_t type, char *value) {
+    rtoken_t token = rtoken_new();
+    token.type = type;
+    token.col = _content_col;
+    token.line = _content_line;
+    strcpy(token.value, value);
+    return token;
+}
+
+rtoken_t rlex_next() {
+    while (true) {
+
+        _content_col++;
+
+        if (_content[_content_ptr] == 0) {
+            return rtoken_create(RT_EOF, "eof");
+        } else if (_content[_content_ptr] == '\n') {
+            _content_line++;
+            _content_col = 1;
+            _content_ptr++;
+        } else if (isspace(_content[_content_ptr])) {
+            _content_ptr++;
+        } else if (isdigit(_content[_content_ptr]) || (_content[_content_ptr] == '-' && isdigit(_content[_content_ptr + 1]))) {
+            return rlex_number();
+        } else if (isalpha(_content[_content_ptr]) || _content[_content_ptr] == '_') {
+            return rlex_symbol();
+        } else if (_content[_content_ptr] == '"' || _content[_content_ptr] == '\'') {
+            return rlex_string();
+        } else if (isoperator(_content[_content_ptr])) {
+            return rlex_operator();
+        } else if (ispunct(_content[_content_ptr])) {
+            if (_content[_content_ptr] == '{') {
+
+                _content_ptr++;
+                return rtoken_create(RT_CURLY_BRACE_OPEN, "{");
+            }
+            if (_content[_content_ptr] == '}') {
+
+                _content_ptr++;
+                return rtoken_create(RT_CURLY_BRACE_CLOSE, "}");
+            }
+            if (_content[_content_ptr] == '(') {
+
+                _content_ptr++;
+                return rtoken_create(RT_BRACE_OPEN, "(");
+            }
+            if (_content[_content_ptr] == ')') {
+
+                _content_ptr++;
+                return rtoken_create(RT_BRACE_CLOSE, ")");
+            }
+            if (_content[_content_ptr] == '[') {
+
+                _content_ptr++;
+                return rtoken_create(RT_BRACKET_OPEN, "[");
+            }
+            if (_content[_content_ptr] == ']') {
+
+                _content_ptr++;
+                return rtoken_create(RT_BRACKET_CLOSE, "]");
+            }
+            return rlex_punct();
+        }
+    }
+}
+
+char *rlex_format(char *content) {
+    rlex(content);
+    char *result = (char *)malloc(strlen(content) + 4096);
+    result[0] = 0;
+    unsigned int tab_index = 0;
+    char *tab_chars = "    ";
+    unsigned int col = 0;
+    rtoken_t token_previous;
+    token_previous.value[0] = 0;
+    token_previous.type = RT_UNKNOWN;
+    while (true) {
+        rtoken_t token = rlex_next();
+        if (token.type == RT_EOF) {
+            break;
+        }
+
+        // col = strlen(token.value);
+
+        if (col == 0) {
+            rlex_repeat_str(result, tab_chars, tab_index);
+            // col = strlen(token.value);// strlen(tab_chars) * tab_index;
+        }
+
+        if (token.type == RT_STRING) {
+            strcat(result, "\"");
+
+            char string_with_slashes[strlen(token.value) * 2 + 1];
+            rstraddslashes(token.value, string_with_slashes);
+            strcat(result, string_with_slashes);
+
+            strcat(result, "\"");
+            // col+= strlen(token.value) + 2;
+            // printf("\n");
+            // printf("<<<%s>>>\n",token.value);
+
+            memcpy(&token_previous, &token, sizeof(token));
+            continue;
+        }
+        if (!(strcmp(token.value, "{"))) {
+            if (col != 0) {
+                strcat(result, "\n");
+                rlex_repeat_str(result, "    ", tab_index);
+            }
+            strcat(result, token.value);
+
+            tab_index++;
+
+            strcat(result, "\n");
+
+            col = 0;
+
+            memcpy(&token_previous, &token, sizeof(token));
+            continue;
+        } else if (!(strcmp(token.value, "}"))) {
+            unsigned int tab_indexed = 0;
+            if (tab_index)
+                tab_index--;
+            strcat(result, "\n");
+
+            rlex_repeat_str(result, tab_chars, tab_index);
+            tab_indexed++;
+
+            strcat(result, token.value);
+            strcat(result, "\n");
+            col = 0;
+
+            memcpy(&token_previous, &token, sizeof(token));
+            continue;
+        }
+        if ((token_previous.type == RT_SYMBOL && token.type == RT_NUMBER) ||
+            (token_previous.type == RT_NUMBER && token.type == RT_SYMBOL) || (token_previous.type == RT_PUNCT && token.type == RT_SYMBOL) ||
+            (token_previous.type == RT_BRACE_CLOSE && token.type == RT_SYMBOL) ||
+            (token_previous.type == RT_SYMBOL && token.type == RT_SYMBOL)) {
+            if (token_previous.value[0] != ',' && token_previous.value[0] != '.') {
+                if (token.type != RT_OPERATOR && token.value[0] != '.') {
+                    strcat(result, "\n");
+                    rlex_repeat_str(result, tab_chars, tab_index);
+                }
+            }
+        }
+
+        if (token.type == RT_OPERATOR) {
+            strcat(result, " ");
+        }
+        if (token.type == RT_STRING) {
+            strcat(result, "\"");
+        }
+        strcat(result, token.value);
+        if (token.type == RT_STRING) {
+            strcat(result, "\"");
+        }
+
+        if (token.type == RT_OPERATOR) {
+            strcat(result, " ");
+        }
+        if (!strcmp(token.value, ",")) {
+            strcat(result, " ");
+        }
+        col += strlen(token.value);
+        memcpy(&token_previous, &token, sizeof(token));
+    }
+    return result;
+}
+#endif
+
+#ifndef RLIB_MAIN
+#define RLIB_MAIN
+#ifndef RMERGE_H
+#define RMERGE_H
+// #include "../mrex/rmatch.h"
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+bool has_error = false;
+
+char *extract_script_src_include(char *line, char *include_path) {
+    include_path[0] = 0;
+    rrex3_t *rrex;
+    rrex = rrex3(NULL, line, "<script.*src=\"(.*)\".*<.*script.*>");
+    if (rrex) {
+        strcpy(include_path, rrex->matches[0]);
+        rrex3_free(rrex);
+        return include_path;
+    }
+    return NULL;
+}
+
+char *extract_c_local_include(char *line, char *include_path) {
+    //
+    /*
+        char res;
+        res= rmatch_extract(line, "#include.*"\".*\"");
+
+
+        printf("%MATCH:%s\n", res);
+    */
+
+    include_path[0] = 0;
+    rrex3_t *rrex;
+    rrex = rrex3(NULL, line, "[^\\\\*]^#include .*\"(.*)\"");
+    if (rrex) {
+        strcpy(include_path, rrex->matches[0]);
+        rrex3_free(rrex);
+        return include_path;
+    }
+    return NULL;
+}
+
+char *rmerge_readline(FILE *f) {
+    static char data[4096];
+    data[0] = 0;
+    int index = 0;
+    char c;
+    while ((c = fgetc(f)) != EOF) {
+        if (c != '\0') {
+            data[index] = c;
+            index++;
+            if (c == '\n')
+                break;
+        }
+    }
+    data[index] = 0;
+    if (data[0] == 0)
+        return NULL;
+    return data;
+}
+void writestring(FILE *f, char *line) {
+    char c;
+    while ((c = *line) != '\0') {
+        fputc(c, f);
+        line++;
+    }
+}
+char files_history[8096];
+char files_duplicate[8096];
+bool is_merging = false;
+
+void merge_file(char *source, FILE *d) {
+    if (is_merging == false) {
+        is_merging = true;
+        files_history[0] = 0;
+        files_duplicate[0] = 0;
+    }
+    if (strstr(files_history, source)) {
+        if (strstr(files_duplicate, source)) {
+            rprintmf(stderr, "\\l Already included: %s. Already on duplicate list.\n", source);
+        } else {
+            rprintcf(stderr, "\\l Already included: %s. Adding to duplicate list.\n", source);
+            strcat(files_duplicate, source);
+            strcat(files_duplicate, "\n");
+        }
+        return;
+    } else {
+        rprintgf(stderr, "\\l Merging: %s.\n", source);
+        strcat(files_history, source);
+        strcat(files_history, "\n");
+    }
+    FILE *fd = fopen(source, "rb");
+    if (!fd) {
+        rprintrf(stderr, "\\l File does not exist: %s\n", source);
+        has_error = true;
+        return;
+    }
+
+    char *line;
+    char include_path[4096];
+    while ((line = rmerge_readline(fd))) {
+
+        include_path[0] = 0;
+        if (!*line)
+            break;
+
+        //
+        char *inc = extract_c_local_include(line, include_path);
+        if (!inc)
+            inc = extract_script_src_include(line, include_path);
+
+        /*
+         if (!strncmp(line, "#include ", 9)) {
+             int index = 0;
+             while (line[index] != '"' && line[index] != 0) {
+                 index++;
+             }
+             if (line[index] == '"') {
+                 int pindex = 0;
+                 index++;
+                 while (line[index] != '"') {
+                     include_path[pindex] = line[index];
+                     pindex++;
+                     index++;
+                 }
+                 if (line[index] != '"') {
+                     include_path[0] = 0;
+                 } else {
+                     include_path[pindex] = '\0';
+                 }
+             }
+         }*/
+        if (inc) {
+            merge_file(inc, d);
+        } else {
+            writestring(d, line);
+        }
+    }
+    fclose(fd);
+    writestring(d, "\n");
+}
+
+int rmerge_main(int argc, char *argv[]) {
+    char *file_input = NULL;
+    if (argc != 2) {
+        printf("Usage: <input-file>\n");
+    } else {
+        file_input = argv[1];
+        // file_output = argv[2];
+    }
+    FILE *f = tmpfile();
+    printf("// RETOOR - %s\n", __DATE__);
+    merge_file(file_input, f);
+    rewind(f);
+    char *data;
+    int line_number = 0;
+    while ((data = rmerge_readline(f))) {
+        if (line_number) {
+            printf("/*%.5d*/    ", line_number);
+            line_number++;
+        }
+        printf("%s", data);
+    }
+    printf("\n");
+    if (has_error) {
+        rprintrf(stderr, "\\l Warning: there are errors while merging this file.\n");
+    } else {
+        rprintgf(stderr, "\\l Merge succesful without error(s).%s\n", remo_get("fire"));
+    }
+    return 0;
+}
+#endif
+
+void forward_argument(int *argcc, char *argv[]) {
+    int argc = *argcc;
+    for (int i = 0; i < argc; i++) {
+        argv[i] = argv[i + 1];
+    }
+    argc--;
+    *argcc = argc;
+}
+
+int rlib_main(int argc, char *argv[]) {
+
+    if (argc == 1) {
+        printf("rlib\n\n");
+        printf("options:\n");
+        printf(" httpd - a http file server. Accepts port as argument.\n");
+        printf(" rmerge - a merge tool. Converts c source files to one file \n"
+               "          with local includes by giving main file as argument.\n");
+        printf(" rcov - coverage tool theat cleans up after himself. Based on "
+               "lcov.\n");
+        printf(" rcase - tool to swap input file automatically between"
+               "         camel case and snake case.\n");
+        return 0;
+    }
+
+    forward_argument(&argc, argv);
+
+    if (!strcmp(argv[0], "httpd")) {
+
+        return rhttp_main(argc, argv);
+    }
+    if (!strcmp(argv[0], "rmerge")) {
+        return rmerge_main(argc, argv);
+    }
+    if (!strcmp(argv[0], "rcov")) {
+        return rcov_main(argc, argv);
+    }
+    if (!strcmp(argv[0], "rcase")) {
+        return rcase_main(argc, argv);
+    }
+
+    return 0;
+}
+
+#endif
+
+// END OF RLIB
+#endif