connection_cellular_state_e _get_cellular_state(void);
int _get_checkbox_status(tethering_type_e type);
bool _set_checkbox_status(tethering_type_e type, int value);
-int _send_signal_qp(const char *cmd);
void _device_name_changed_cb(keynode_t *key, void *data);
bool _set_vconf_prev_wifi_state(bool value);
bool _get_vconf_prev_wifi_state();