text: /*
   * Copyright (c) 2020 Murilo Ijanc' <mbsd@m0x.ru>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef LIST_H
  #define LIST_H
  
  #include <stdint.h>
  
  typedef enum {
  	FALSE,
  	TRUE
  } bool;
  
  /* function free data */
  typedef void (*free_func)(void *);
  
  /* function iterator */
  typedef bool (*iterator_func)(void *);
  
  /* linked list */
  typedef struct list list_t;
  
  /* list.c */
  extern list_t		*list_new(uint32_t, free_func);
  extern void		 list_free(list_t *);
  extern uint32_t	 	 list_len(list_t *);
  extern int		 list_first_el(list_t *, void *);
  extern int		 list_last_el(list_t *, void *);
  extern int		 list_append(list_t *, void *);
  extern int		 list_prepend(list_t *, void *);
  extern int		 list_iterator(list_t *, iterator_func);
  
  #ifdef DEBUG
  extern void		 list_dump(list_t *);
  #endif
  
  #endif /* LIST_H */
  