belle_sip_object_data_set(BELLE_SIP_OBJECT(req),"http_request_listener",l,belle_sip_object_unref);// Ensure the listener object is destroyed when the request is destroyed
belle_sip_object_data_set(BELLE_SIP_OBJECT(req),"http_request_listener",l,belle_sip_object_unref);// Ensure the listener object is destroyed when the request is destroyed