if (!err) err = map(exports, "gateway-host", 1, fwd->gateway_host, 1);
snprintf(port, sizeof(port), "%d", fwd->gateway_port);
if (!err) err = map(exports, "gateway-port", 1, port, 1);
if (!err) err = map(exports, "gateway-host", 1, fwd->gateway_host, 1);
snprintf(port, sizeof(port), "%d", fwd->gateway_port);
if (!err) err = map(exports, "gateway-port", 1, port, 1);