428 #define TAILQ_LAST(head, headname)					\  argument
429 	(*(((struct headname *)((head)->tqh_last))->tqh_last))
431 #define TAILQ_PREV(elm, headname, field)				\  argument
432 	(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
448 #define TAILQ_FOREACH_REVERSE(var, head, headname, field)		\  argument
449 	for((var) = TAILQ_LAST(head, headname);				\
451 	    (var) = TAILQ_PREV(var, headname, field))
453 #define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
454 	for ((var) = TAILQ_LAST(head, headname);			\
456 	    ((tvar) = TAILQ_PREV(var, headname, field), 1);		\
569 #define	CIRCLEQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
570 	for ((var) = CIRCLEQ_LAST(head, headname);			\
572 	    ((tvar) = CIRCLEQ_PREV(var, headname, field), 1);		\