205 #define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\  argument
207 	    (var) && ((tvar) = SLIST_NEXT(var, field), 1);		\
208 	    (var) = (tvar))
279 #define	LIST_FOREACH_SAFE(var, head, field, tvar)			\  argument
281 	    (var) && ((tvar) = LIST_NEXT(var, field), 1);		\
282 	    (var) = (tvar))
362 #define	SIMPLEQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
364 	    (var) && ((tvar) = SIMPLEQ_NEXT(var, field), 1);		\
365 	    (var) = (tvar))
441 #define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
444 	    ((tvar) = TAILQ_NEXT(var, field), 1);			\
445 	    (var) = (tvar))
453 #define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
456 	    ((tvar) = TAILQ_PREV(var, headname, field), 1);		\
457 	    (var) = (tvar))
558 #define	CIRCLEQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
561 	    ((tvar) = CIRCLEQ_NEXT(var, field), 1);			\
562 	    (var) = (tvar))
569 #define	CIRCLEQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
572 	    ((tvar) = CIRCLEQ_PREV(var, headname, field), 1);		\
573 	    (var) = (tvar))