I wants to get ping another device such as PC using lwip. I find some file in :https://github.com/STMicroelectronics/STM32CubeH7/tree/master/Middlewares/ST/STM32_Network_Library/servicesbut the problem is that i can't use these functions. How can i u...

I wants to get ping another device such as PC using lwip. I find some file in :https://github.com/particle-iot/lwip-contrib/blob/master/apps/ping/ping.cbut the problem is that i can not use these functions. How can i use that?