sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock < 0) return(-1);
rc = connect(sock, ai->ai_addr, ai->ai_addrlen);
if (rc >= 0) {
sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock < 0) return(-1);
rc = connect(sock, ai->ai_addr, ai->ai_addrlen);
if (rc >= 0) {