SYSQUEUE_MERGE
SYSQUEUE_MERGE((list1), (list2), (thunk), (cmp), TYPE, NAME, SLIST_FIRST, \
SYSQUEUE_MERGE((list1), (list2), (thunk), (cmp), TYPE, NAME, LIST_FIRST, \
SYSQUEUE_MERGE((list1), (list2), (thunk), (cmp), TYPE, NAME, STAILQ_FIRST, \
SYSQUEUE_MERGE((list1), (list2), (thunk), (cmp), TYPE, NAME, TAILQ_FIRST, \