- const std::list<plp::Device *> *get_device_list(plpbus::BusClient *client_param);
- plpbus::BusMessage *get_latest_data(plpbus::BusClient *client_param, std::string device_id_param);
+ const std::list<plp::Device *> *get_device_list(plpbus::BusClient *client_param,
+ int *err_flg);
+ plpbus::BusMessage *get_latest_data(plpbus::BusClient *client_param,
+ std::string device_id_param);