TW_CLI_REQ_STATE_PENDING
req->state = TW_CLI_REQ_STATE_PENDING;
if (req->state == TW_CLI_REQ_STATE_PENDING) {
if (req->state != TW_CLI_REQ_STATE_PENDING) {
req->state = TW_CLI_REQ_STATE_PENDING;
(req->state != TW_CLI_REQ_STATE_PENDING))
(req->state != TW_CLI_REQ_STATE_PENDING))