pub unsafe extern "C" fn rmw_service_request_subscription_get_actual_qos(
service: *const rmw_service_t,
qos: *mut rmw_qos_profile_t,
) -> rmw_ret_t
pub unsafe extern "C" fn rmw_service_request_subscription_get_actual_qos(
service: *const rmw_service_t,
qos: *mut rmw_qos_profile_t,
) -> rmw_ret_t