evdns_resolve_reverse  220 opal/mca/event/libevent2022/libevent/include/event2/dns_compat.h int evdns_resolve_reverse(const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr);
evdns_resolve_reverse  185 opal/mca/event/libevent2022/libevent/test/regress_dns.c 	evdns_resolve_reverse(&in, 0, dns_gethostbyname_cb, NULL);