get_sensor_data
err = get_sensor_data(envmon_fd, &id, cmd, &lows,
static int get_sensor_data(int envmon_fd, envmon_handle_t *id, int cmd,
err = get_sensor_data(envmon_fd, &id, cmd, NULL, NULL,
sizeof (int), class, get_sensor_data, NULL);
sizeof (int), class, get_sensor_data, NULL);
MAX_SPEED_UNIT_LEN, class, get_sensor_data, NULL);
MAX_CONDITION_LEN, class, get_sensor_data, NULL);
sizeof (float), class, get_sensor_data, NULL);
static int get_sensor_data(ptree_rarg_t *arg, void *result);