HT_HEAD           115 opal/mca/event/libevent2022/libevent/event-internal.h HT_HEAD(event_io_map, event_map_entry);
HT_HEAD           190 opal/mca/event/libevent2022/libevent/event.c static HT_HEAD(event_debug_map, event_debug_entry) global_debug_map =