RB_EMPTY          318 opal/mca/event/libevent2022/libevent/WIN32-Code/tree.h #define RB_EMPTY(head)			(RB_ROOT(head) == NULL)
RB_EMPTY          995 opal/mca/event/libevent2022/libevent/WIN32-Code/tree.h #define RB_EMPTY(head)			(RB_ROOT(head) == NULL)