669 #define	QMD_TAILQ_CHECK_TAIL(head, headname)  argument
709 #define	TAILQ_FOREACH_REVERSE(var, head, headname, field)		\  argument
710 	for ((var) = TAILQ_LAST((head), headname);			\
712 	    (var) = TAILQ_PREV((var), headname, field))
714 #define	TAILQ_FOREACH_REVERSE_FROM(var, head, headname, field)		\  argument
715 	for ((var) = ((var) ? (var) : TAILQ_LAST((head), headname));	\
717 	    (var) = TAILQ_PREV((var), headname, field))
719 #define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
720 	for ((var) = TAILQ_LAST((head), headname);			\
721 	    (var) && ((tvar) = TAILQ_PREV((var), headname, field), 1);	\
724 #define	TAILQ_FOREACH_REVERSE_FROM_SAFE(var, head, headname, field, tvar) \  argument
725 	for ((var) = ((var) ? (var) : TAILQ_LAST((head), headname));	\
726 	    (var) && ((tvar) = TAILQ_PREV((var), headname, field), 1);	\
783 #define	TAILQ_LAST(head, headname)					\  argument
784 	(*(((struct headname *)((head)->tqh_last))->tqh_last))
798 #define	TAILQ_PREV(elm, headname, field)				\  argument
799 	(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))