res0 516 ext/net/netdb.c struct addrinfo *res, *res0; res0 519 ext/net/netdb.c r = getaddrinfo(nodename, servname, hints, &res0); res0 522 ext/net/netdb.c for (res = res0; res != NULL; res = res->ai_next) { res0 525 ext/net/netdb.c freeaddrinfo(res0);