bufferevent_socket_get_dns_error 245 opal/mca/event/libevent2022/libevent/include/event2/bufferevent.h int bufferevent_socket_get_dns_error(struct bufferevent *bev); bufferevent_socket_get_dns_error 1023 opal/mca/event/libevent2022/libevent/test/regress_dns.c if ((r = bufferevent_socket_get_dns_error(bev))) {