43 		struct _dnode *prev; /* ptr to previous node (sys_dnode_t) */  member
222 	node->prev = NULL;  in sys_dnode_init()
370 	return (node == list->head) ? NULL : node->prev;  in sys_dlist_peek_prev_no_check()
417 	node->prev = tail;  in sys_dlist_append()
437 	node->prev = list;  in sys_dlist_prepend()
439 	head->prev = node;  in sys_dlist_prepend()
453 	sys_dnode_t *const prev = successor->prev;  in sys_dlist_insert()  local
455 	node->prev = prev;  in sys_dlist_insert()
457 	prev->next = node;  in sys_dlist_insert()
458 	successor->prev = node;  in sys_dlist_insert()
506 	sys_dnode_t *const prev = node->prev;  in sys_dlist_remove()  local
509 	prev->next = next;  in sys_dlist_remove()
510 	next->prev = prev;  in sys_dlist_remove()