184 #define SLIST_CONCAT(head1, head2, type, field) do {			\  argument
185 	QUEUE_TYPEOF(type) *curelm = SLIST_FIRST(head1);		\
187 		if ((SLIST_FIRST(head1) = SLIST_FIRST(head2)) != NULL)	\
271 #define SLIST_SWAP(head1, head2, type) do {				\  argument
272 	QUEUE_TYPEOF(type) *swap_first = SLIST_FIRST(head1);		\
273 	SLIST_FIRST(head1) = SLIST_FIRST(head2);			\
308 #define	STAILQ_CONCAT(head1, head2) do {				\  argument
310 		*(head1)->stqh_last = (head2)->stqh_first;		\
311 		(head1)->stqh_last = (head2)->stqh_last;		\
396 #define STAILQ_SWAP(head1, head2, type) do {				\  argument
397 	QUEUE_TYPEOF(type) *swap_first = STAILQ_FIRST(head1);		\
398 	QUEUE_TYPEOF(type) **swap_last = (head1)->stqh_last;		\
399 	STAILQ_FIRST(head1) = STAILQ_FIRST(head2);			\
400 	(head1)->stqh_last = (head2)->stqh_last;			\
403 	if (STAILQ_EMPTY(head1))					\
404 		(head1)->stqh_last = &STAILQ_FIRST(head1);		\
484 #define LIST_CONCAT(head1, head2, type, field) do {			      \  argument
485 	QUEUE_TYPEOF(type) *curelm = LIST_FIRST(head1);			      \
487 		if ((LIST_FIRST(head1) = LIST_FIRST(head2)) != NULL) {	      \
489 			    &LIST_FIRST((head1));			      \
574 #define LIST_SWAP(head1, head2, type, field) do {			\  argument
575 	QUEUE_TYPEOF(type) *swap_tmp = LIST_FIRST(head1);		\
576 	LIST_FIRST((head1)) = LIST_FIRST((head2));			\
578 	if ((swap_tmp = LIST_FIRST((head1))) != NULL)			\
579 		swap_tmp->field.le_prev = &LIST_FIRST((head1));		\
674 #define	TAILQ_CONCAT(head1, head2, field) do {				\  argument
676 		*(head1)->tqh_last = (head2)->tqh_first;		\
677 		(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last;	\
678 		(head1)->tqh_last = (head2)->tqh_last;			\
680 		QMD_TRACE_HEAD(head1);					\
823 #define TAILQ_SWAP(head1, head2, type, field) do {			\  argument
824 	QUEUE_TYPEOF(type) *swap_first = (head1)->tqh_first;		\
825 	QUEUE_TYPEOF(type) **swap_last = (head1)->tqh_last;		\
826 	(head1)->tqh_first = (head2)->tqh_first;			\
827 	(head1)->tqh_last = (head2)->tqh_last;				\
830 	if ((swap_first = (head1)->tqh_first) != NULL)			\
831 		swap_first->field.tqe_prev = &(head1)->tqh_first;	\
833 		(head1)->tqh_last = &(head1)->tqh_first;		\