185 #define SLIST_CONCAT(head1, head2, type, field) do {			\  argument
186 	QUEUE_TYPEOF(type) *curelm = SLIST_FIRST(head1);		\
188 		if ((SLIST_FIRST(head1) = SLIST_FIRST(head2)) != NULL)	\
272 #define SLIST_SWAP(head1, head2, type) do {				\  argument
273 	QUEUE_TYPEOF(type) *swap_first = SLIST_FIRST(head1);		\
274 	SLIST_FIRST(head1) = SLIST_FIRST(head2);			\
309 #define	STAILQ_CONCAT(head1, head2) do {				\  argument
311 		*(head1)->stqh_last = (head2)->stqh_first;		\
312 		(head1)->stqh_last = (head2)->stqh_last;		\
397 #define STAILQ_SWAP(head1, head2, type) do {				\  argument
398 	QUEUE_TYPEOF(type) *swap_first = STAILQ_FIRST(head1);		\
399 	QUEUE_TYPEOF(type) **swap_last = (head1)->stqh_last;		\
400 	STAILQ_FIRST(head1) = STAILQ_FIRST(head2);			\
401 	(head1)->stqh_last = (head2)->stqh_last;			\
404 	if (STAILQ_EMPTY(head1))					\
405 		(head1)->stqh_last = &STAILQ_FIRST(head1);		\
485 #define LIST_CONCAT(head1, head2, type, field) do {			      \  argument
486 	QUEUE_TYPEOF(type) *curelm = LIST_FIRST(head1);			      \
488 		if ((LIST_FIRST(head1) = LIST_FIRST(head2)) != NULL) {	      \
490 			    &LIST_FIRST((head1));			      \
575 #define LIST_SWAP(head1, head2, type, field) do {			\  argument
576 	QUEUE_TYPEOF(type) *swap_tmp = LIST_FIRST(head1);		\
577 	LIST_FIRST((head1)) = LIST_FIRST((head2));			\
579 	if ((swap_tmp = LIST_FIRST((head1))) != NULL)			\
580 		swap_tmp->field.le_prev = &LIST_FIRST((head1));		\
675 #define	TAILQ_CONCAT(head1, head2, field) do {				\  argument
677 		*(head1)->tqh_last = (head2)->tqh_first;		\
678 		(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last;	\
679 		(head1)->tqh_last = (head2)->tqh_last;			\
681 		QMD_TRACE_HEAD(head1);					\
824 #define TAILQ_SWAP(head1, head2, type, field) do {			\  argument
825 	QUEUE_TYPEOF(type) *swap_first = (head1)->tqh_first;		\
826 	QUEUE_TYPEOF(type) **swap_last = (head1)->tqh_last;		\
827 	(head1)->tqh_first = (head2)->tqh_first;			\
828 	(head1)->tqh_last = (head2)->tqh_last;				\
831 	if ((swap_first = (head1)->tqh_first) != NULL)			\
832 		swap_first->field.tqe_prev = &(head1)->tqh_first;	\
834 		(head1)->tqh_last = &(head1)->tqh_first;		\