#ifndef H_NJ_LIST_0403061931
#define H_NJ_LIST_0403061931

/* macros ============================================================== */

#define list_prev(l) (l)->prev
#define list_next(l) (l)->next

/* constants =========================================================== */
/* types =============================================================== */
/* structures ========================================================== */

typedef struct List
{
   struct List *prev;
   struct List *next;
   void *data;
}
list_s;

/* internal public functions =========================================== */

list_s *list_first (list_s *);
list_s *list_append (list_s *, void *);
list_s *list_remove (list_s *, void *);
void list_foreach (list_s *, void (*)(void *, void *), void *);
size_t list_size (list_s *);

/* entry points ======================================================== */
/* public variables ==================================================== */

#endif /* not H_NJ_LIST_0403061931 */