32 	hlist_item_t * next;  member
37 	hlist_item_t * next;  member
50 #define __hlist_init_item(i) { &hlist_null, &(i).next }
76 	for (i = (h)->next; i != &hlist_null; i = i->next)
79 	for (i = (h)->next, tmp = i->next; \
81 	     i = tmp, tmp = i->next)
89 	h->next = &hlist_null;  in hlist_init()
95 	i->prev = &i->next;  in hlist_init_item()
96 	i->next = &hlist_null;  in hlist_init_item()
101 	hlist_item_t * next;  in hlist_add()  local
104 	next = i->next = h->next;  in hlist_add()
105 	next->prev = &i->next;  in hlist_add()
106 	h->next = i;  in hlist_add()
107 	i->prev = &h->next;  in hlist_add()
112 	hlist_item_t * next;  in hlist_del()  local
115 	next = i->next;  in hlist_del()
116 	next->prev = i->prev;  in hlist_del()
117 	*i->prev = next;  in hlist_del()
126 	i->next->prev = &i->next;  in hlist_relink()
132 	h->next->prev = &h->next;  in hlist_relink_head()