1144 dll_init(dll_t *node_p)  in dll_init()  argument
1146 	node_p->next_p = node_p;  in dll_init()
1147 	node_p->prev_p = node_p;  in dll_init()
1164 dll_next_p(dll_t *node_p)  in dll_next_p()  argument
1166 	return (node_p)->next_p;  in dll_next_p()
1170 dll_prev_p(dll_t *node_p)  in dll_prev_p()  argument
1172 	return (node_p)->prev_p;  in dll_prev_p()
1182 dll_end(dll_t *list_p, dll_t * node_p)  in dll_end()  argument
1184 	return (list_p == node_p);  in dll_end()
1198 dll_append(dll_t *list_p, dll_t *node_p)  in dll_append()  argument
1200 	dll_insert(node_p, dll_tail_p(list_p));  in dll_append()
1204 dll_prepend(dll_t *list_p, dll_t *node_p)  in dll_prepend()  argument
1206 	dll_insert(node_p, list_p);  in dll_prepend()
1211 dll_delete(dll_t *node_p)  in dll_delete()  argument
1213 	node_p->prev_p->next_p = node_p->next_p;  in dll_delete()
1214 	node_p->next_p->prev_p = node_p->prev_p;  in dll_delete()