212 #define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\  argument
214 	    (var) && ((tvar) = SLIST_NEXT(var, field), 1);		\
215 	    (var) = (tvar))
286 #define	LIST_FOREACH_SAFE(var, head, field, tvar)			\  argument
288 	    (var) && ((tvar) = LIST_NEXT(var, field), 1);		\
289 	    (var) = (tvar))
369 #define	SIMPLEQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
371 	    (var) && ((tvar) = SIMPLEQ_NEXT(var, field), 1);		\
372 	    (var) = (tvar))
450 #define	XSIMPLEQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
452 	    (var) && ((tvar) = XSIMPLEQ_NEXT(head, var, field), 1);	\
453 	    (var) = (tvar))
536 #define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\  argument
539 	    ((tvar) = TAILQ_NEXT(var, field), 1);			\
540 	    (var) = (tvar))
548 #define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\  argument
551 	    ((tvar) = TAILQ_PREV(var, headname, field), 1);		\
552 	    (var) = (tvar))