They wrote the first TCP/IP stack. Correctly. We got the Berkeley one instead with all its bugginess (which bugs we still work around) for dumb reasons. I have

They wrote the first TCP/IP stack. Correctly. We got the Berkeley one instead with all its bugginess (which bugs we still work around) for dumb reasons. I have not found out what the API would have been like, instead of socket() / connect() / listen() etc.