HT_CLEAR          548 opal/mca/event/libevent2022/libevent/event.c 	HT_CLEAR(event_debug_map, &global_debug_map);
HT_CLEAR          152 opal/mca/event/libevent2022/libevent/evmap.c 	HT_CLEAR(event_io_map, ctx); /* remove all storage held by the ctx. */