void *mh_xrealloc(void *, size_t);
char *pwd(void);
char *add(char *, char *);
-int folder_exists(char *);
void create_folder(char *, int, void (*)(int));
int num_digits(int);
};
void app_msgarg(struct msgs_array *, char *);
-int open_form(char **, char *);