#ifndef LIST_H
#define LIST_H

#include <stddef.h>

#define list_initial(list) {&list, &list}

typedef struct list_s
{
	struct list_s *prev, *next;
} list_t;

extern void list_init(list_t *list);
extern void list_add(list_t *list, list_t *item);
extern void list_del(list_t *item);
extern void list_dump(list_t *head);

#define list_narrow(item, type, member) \
	((type *)(((char *)(item) - offsetof(type, member))))

#endif