[scandum]

For starters, to push a telnet client into character mode you need to send:

IAC WILL SUPPRESS GA
IAC WILL ECHO

For MSSP you need to send on connect:

IAC WILL MSSP

The write_to_descriptor calls should be replaced with whatever function NiMUD uses, so that should probably be write_to_connection.

You won't need client.c which is just for debugging, and the same goes for mud.c.

The call to translate_telopts looks alright.