C socket get IP address from filedescriptor returned from accept

Question

I know this question seems typical and multiple times answered but I think if you read the details it is not so common (I did not find it).

The poin

Answer 1

Statefull connection is uniquely identified by two end points Peer(address:port)<=>My(address:port). Both getpeername() and getsockname() are needed to get this information.