使用bluez从C中的ble设备访问电池服务的示例代码

I have a ble device which gives battery status as battery service.I need to read battery information from my ble device using C programming language from linux using bluez. I could not see a proper example anywhere for this purpose even though there are examples of classic bluetooth. I am able to detect my ble device using the example code I have a ble device which gives battery status