SIMPLEQ_FIRST     233 opal/mca/event/libevent2022/libevent/compat/sys/queue.h #define	SIMPLEQ_EMPTY(head)	    (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head))
SIMPLEQ_FIRST     237 opal/mca/event/libevent2022/libevent/compat/sys/queue.h 	for((var) = SIMPLEQ_FIRST(head);				\