Function esp_idf_sys::esp_efuse_mac_get_default

pub unsafe extern "C" fn esp_efuse_mac_get_default(mac: *mut u8) -> esp_err_t

@brief Return base MAC address which is factory-programmed by Espressif in BLK0 of EFUSE.

@param mac base MAC address, length: 6 bytes.

@return ESP_OK on success