I wanted to write a network program in Interlisp but Medley's TCP/IP stack doesn't work. So I cheated.
This is how I managed to write a Finger client in Interlisp. When I tested the program Ben Brown @benbrown may have noticed my traffic to his great Happy Net Box public Finger server (thanks!).
https://journal.paoloamoroso.com/paoloamoroso/interpinkie-a-finger-client-in-interlisp