RQ_CLIENT_ADDR
request_set(&request, RQ_CLIENT_ADDR, "", RQ_CLIENT_NAME, "", 0);
RQ_CLIENT_ADDR, "client_addr",
request_set(&request, RQ_CLIENT_ADDR, client, 0);
request_set(&request, RQ_CLIENT_NAME, "", RQ_CLIENT_ADDR, "", 0);
RQ_CLIENT_ADDR, addr,
case RQ_CLIENT_ADDR: