utils.h

#ifndef __UTILS_H
#define __UTILS_H

#define ANSI_RED "\033[0;31m"
#define ANSI_GREEN "\033[0;32m"
#define ANSI_YELLOW "\033[0;33m"
#define ANSI_CYAN "\033[0;36m"
#define ANSI_RED_BOLD "\033[1;31m"
#define ANSI_GREEN_BOLD "\033[1;32m"
#define ANSI_YELLOW_BOLD "\033[1;33m"
#define ANSI_CYAN_BOLD "\033[1;36m"
#define ANSI_DEFAULT "\033[0m"
#define ANSI_CLEAR "\033[2J\033[1;1H"

#define MAX_INPUT_SIZE 1024
#define MAX_TOKEN_SIZE 64
#define MAX_NUM_TOKENS 64

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>

pid_t SHELL_PID;

void initialize_everything();
void prompt();
char **tokenize(char *line, char delim);
void destroy_tokens(char **tokens);
char *concat(char *str1, char *str2);
char *trim(char *str, char ch);
void exit_shell();

#endif