xt.c terminal driver source wanted

[Ron Natalie <ron>]

> I am attempting to hack a UNIX driver that will allow multiple logical user
> sessions to communicate via a single physical TTY port.  In my request of
> net.unix I have received two replies pointing to a driver called xt.c, 
> indicating that it might be a good place to start.  Can anyone provide a
> more substantial pointer to this source, or even mail a copy of it to me?
> Thank you.
>  
The source is licensed by AT&T.  Contact them.

-Ron