if ((rc = getaddrinfo(host, port, &hints, passive ? &local : &remote))) {
PARA_ERROR_LOG("can not resolve %s address %s#%s: %s.\n",
layer4_name(l4type),
if ((rc = getaddrinfo(host, port, &hints, passive ? &local : &remote))) {
PARA_ERROR_LOG("can not resolve %s address %s#%s: %s.\n",
layer4_name(l4type),