191 #define	SLIST_FOREACH(var, head, field)					\  argument
192 	for ((var) = SLIST_FIRST((head));				\
193 	    (var);							\
194 	    (var) = SLIST_NEXT((var), field))
196 #define	SLIST_FOREACH_FROM(var, head, field)				\  argument
197 	for ((var) = ((var) ? (var) : SLIST_FIRST((head)));		\
198 	    (var);							\
199 	    (var) = SLIST_NEXT((var), field))
201 #define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\  argument
202 	for ((var) = SLIST_FIRST((head));				\
203 	    (var) && ((tvar) = SLIST_NEXT((var), field), 1);		\
204 	    (var) = (tvar))
206 #define	SLIST_FOREACH_FROM_SAFE(var, head, field, tvar)			\  argument
207 	for ((var) = ((var) ? (var) : SLIST_FIRST((head)));		\
208 	    (var) && ((tvar) = SLIST_NEXT((var), field), 1);		\
209 	    (var) = (tvar))
211 #define	SLIST_FOREACH_PREVPTR(var, varp, head, field)			\  argument
213 	    ((var) = *(varp)) != NULL;					\
214 	    (varp) = &SLIST_NEXT((var), field))
304 #define	STAILQ_FOREACH(var, head, field)				\  argument
305 	for((var) = STAILQ_FIRST((head));				\
306 	   (var);							\
307 	   (var) = STAILQ_NEXT((var), field))
309 #define	STAILQ_FOREACH_FROM(var, head, field)				\  argument
310 	for ((var) = ((var) ? (var) : STAILQ_FIRST((head)));		\
311 	   (var);							\
312 	   (var) = STAILQ_NEXT((var), field))
314 #define	STAILQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
315 	for ((var) = STAILQ_FIRST((head));				\
316 	    (var) && ((tvar) = STAILQ_NEXT((var), field), 1);		\
317 	    (var) = (tvar))
319 #define	STAILQ_FOREACH_FROM_SAFE(var, head, field, tvar)		\  argument
320 	for ((var) = ((var) ? (var) : STAILQ_FIRST((head)));		\
321 	    (var) && ((tvar) = STAILQ_NEXT((var), field), 1);		\
322 	    (var) = (tvar))
455 #define	LIST_FOREACH(var, head, field)					\  argument
456 	for ((var) = LIST_FIRST((head));				\
457 	    (var);							\
458 	    (var) = LIST_NEXT((var), field))
460 #define	LIST_FOREACH_FROM(var, head, field)				\  argument
461 	for ((var) = ((var) ? (var) : LIST_FIRST((head)));		\
462 	    (var);							\
463 	    (var) = LIST_NEXT((var), field))
465 #define	LIST_FOREACH_SAFE(var, head, field, tvar)			\  argument
466 	for ((var) = LIST_FIRST((head));				\
467 	    (var) && ((tvar) = LIST_NEXT((var), field), 1);		\
468 	    (var) = (tvar))
470 #define	LIST_FOREACH_FROM_SAFE(var, head, field, tvar)			\  argument
471 	for ((var) = ((var) ? (var) : LIST_FIRST((head)));		\
472 	    (var) && ((tvar) = LIST_NEXT((var), field), 1);		\
473 	    (var) = (tvar))
617 #define	TAILQ_FOREACH(var, head, field)					\  argument
618 	for ((var) = TAILQ_FIRST((head));				\
619 	    (var);							\
620 	    (var) = TAILQ_NEXT((var), field))
622 #define	TAILQ_FOREACH_FROM(var, head, field)				\  argument
623 	for ((var) = ((var) ? (var) : TAILQ_FIRST((head)));		\
624 	    (var);							\
625 	    (var) = TAILQ_NEXT((var), field))
627 #define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
628 	for ((var) = TAILQ_FIRST((head));				\
629 	    (var) && ((tvar) = TAILQ_NEXT((var), field), 1);		\
630 	    (var) = (tvar))
632 #define	TAILQ_FOREACH_FROM_SAFE(var, head, field, tvar)			\  argument
633 	for ((var) = ((var) ? (var) : TAILQ_FIRST((head)));		\
634 	    (var) && ((tvar) = TAILQ_NEXT((var), field), 1);		\
635 	    (var) = (tvar))
637 #define	TAILQ_FOREACH_REVERSE(var, head, headname, field)		\  argument
638 	for ((var) = TAILQ_LAST((head), headname);			\
639 	    (var);							\
640 	    (var) = TAILQ_PREV((var), headname, field))
642 #define	TAILQ_FOREACH_REVERSE_FROM(var, head, headname, field)		\  argument
643 	for ((var) = ((var) ? (var) : TAILQ_LAST((head), headname));	\
644 	    (var);							\
645 	    (var) = TAILQ_PREV((var), headname, field))
647 #define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
648 	for ((var) = TAILQ_LAST((head), headname);			\
649 	    (var) && ((tvar) = TAILQ_PREV((var), headname, field), 1);	\
650 	    (var) = (tvar))
652 #define	TAILQ_FOREACH_REVERSE_FROM_SAFE(var, head, headname, field, tvar) \  argument
653 	for ((var) = ((var) ? (var) : TAILQ_LAST((head), headname));	\
654 	    (var) && ((tvar) = TAILQ_PREV((var), headname, field), 1);	\
655 	    (var) = (tvar))