shell.h

#ifndef _SHELL_H
#define _SHELL_H
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
extern char **environ;
/**
 * struct buses - carries auxiliar variables
 * @stat: exit status
 * @count: counts promts pinted
 * @arg0: argv[0]
 *
 * Description: carries variables through the program
 *
 */
typedef struct buses
{
	int stat;
	int count;
	char *arg0;
} bus_t;
/**
 * struct builtin - built-in functions
 * @input: string - function name (built-in)
 * @type: pointer ti built-in function
 *
 * Description: holds and match names with built-in
 *  functions
 */
typedef struct builtin
{
	char *input;
	int (*type)(char **argv, char *line, bus_t *bus);
} built_t;
/**
 * struct paths - singly linked list
 * @path: string - (malloc'ed string) - single path
 * @len: length of the string
 * @next: points to the next node
 *
 * Description: singly linked list node structure
 *  holds single paths from variable PATH
 */
typedef struct paths
{
	char *path;
	int len;
	struct paths *next;
} path_t;
int print_env(int i);
void ignore_comments(char *line);
/*ssize_t read_textfile(const char *filename, size_t letters);*/
void print_exit_error2(char **argv, bus_t *bus);
int _strlen(char *s);
int _atoi(char *s);
int print_notfound(char **argv, char **argvex, bus_t *bus, char *line);
char *_realloc(char *ptr, unsigned int old_size, unsigned int new_size);
char **create_argv(char *str, int len);
char **_strtok(char *str, char *delim);
int cmpstr(char *haystack, char *needle);
void rmstr(char *str, char *substr);
char *str_concat(char *s1, char *s2);
char *_strdup(char *str);
char *_getenv(char *str);
int check_bltin(char **argv, char *line, bus_t *bus);
int f_exit(char **argv, char *line, bus_t *bus);
int f_env(char **argv, char *line, bus_t *bus);
int f_setenv(char **argv, char *line, bus_t *bus);
int _strcmp(char *s1, char *s2);
ssize_t getstdin(char **lineptr);
path_t *create_list(char *str);
int add_node_end(path_t **head, char *str);
size_t print_list(path_t *h);
void free_grid(char **grid);
void free_list(path_t *head_path);
int _putchar(char *c, unsigned int lenght);
int print_string(char *str);
char *number_to_string(int number, char base);
int print_integer(int number);
void reverse_str(char *str, int size, char keep_first);
int execute(char **argv, char *name, char *line);
int check_argv(char **argv, char **argvex, bus_t *bus, char *line);
void print_exit_error(char **argv, bus_t *bus, int argmt);
int cp_env(void);
int create_file(const char *filename, char *text_content);
int append_text_to_file(const char *filename, char *text_content);
#endif