Function esp_idf_bindgen::esp_wifi_get_country

pub unsafe extern "C" fn esp_wifi_get_country(
    country: *mut wifi_country_t
) -> esp_err_t

@brief get the current country info

@param country country info

@return

• ESP_OK: succeed
• ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
• ESP_ERR_INVALID_ARG: invalid argument