LIST_FIRST        159 third_party/libevent/compat/sys/queue.h #define	LIST_EMPTY(head)		(LIST_FIRST(head) == LIST_END(head))
LIST_FIRST        163 third_party/libevent/compat/sys/queue.h 	for((var) = LIST_FIRST(head);					\
LIST_FIRST        171 third_party/libevent/compat/sys/queue.h 	LIST_FIRST(head) = LIST_END(head);				\