evutil_ersatz_socketpair 193 opal/mca/event/libevent2022/libevent/evutil.c evutil_ersatz_socketpair(int family, int type, int protocol, evutil_ersatz_socketpair 493 opal/mca/event/libevent2022/libevent/opal_rename.h #define evutil_ersatz_socketpair opal_libevent2022_evutil_ersatz_socketpair