shell.h

#ifndef SHELL_H
#define SHELL_H

#include <stddef.h>     
#include <glob.h>
#include "source.h"

void print_prompt1(void);
void print_prompt2(void);
char *read_cmd(void);
int  parse_and_execute(struct source_s *src);

void initsh(void);


int dump(int argc, char **argv);


struct builtin_s
{
    char *name;    
    int (*func)(int argc, char **argv); 
};


extern struct builtin_s builtins[];


extern int builtins_count;


struct word_s
{
    char  *data;
    int    len;
    struct word_s *next;
};


struct  word_s *make_word(char *word);
void    free_all_words(struct word_s *first);

size_t  find_closing_quote(char *data);
size_t  find_closing_brace(char *data);
void    delete_char_at(char *str, size_t index);
char   *substitute_str(char *s1, char *s2, size_t start, size_t end);
char   *wordlist_to_str(struct word_s *word);

struct  word_s *word_expand(char *orig_word);
char   *word_expand_to_str(char *word);
char   *tilde_expand(char *s);
char   *command_substitute(char *__cmd);
char   *var_expand(char *__var_name);
char   *pos_params_expand(char *tmp, int in_double_quotes);
struct  word_s *pathnames_expand(struct word_s *words);
struct  word_s *field_split(char *str);
void    remove_quotes(struct word_s *wordlist);

char   *arithm_expand(char *__expr);


char   *strchr_any(char *string, char *chars);
char   *quote_val(char *val, int add_quotes);
int     check_buffer_bounds(int *count, int *len, char ***buf);
void    free_buffer(int len, char **buf);


int     has_glob_chars(char *p, size_t len);
int     match_prefix(char *pattern, char *str, int longest);
int     match_suffix(char *pattern, char *str, int longest);
char  **get_filename_matches(char *pattern, glob_t *matches);

#endif