what is the difference between socket API and netconn api and what is thier function thanks

[Dave Nadler]

This is not a question for STM!

It is explained on LwIP wiki here: http://www.nongnu.org/lwip/2_1_x/group__api.html

[Piranha]

And also this:

https://lwip.fandom.com/wiki/Application_API_layers

P.S. I fixed the tags...