evutil_offsetof   428 opal/mca/event/libevent2022/libevent/include/event2/util.h #define evutil_offsetof(type, field) offsetof(type, field)
evutil_offsetof   430 opal/mca/event/libevent2022/libevent/include/event2/util.h #define evutil_offsetof(type, field) ((off_t)(&((type *)0)->field))