Subject: Re: Problem with the 3/7 sources.
To: Yeng-Chee Su <>
From: Perry E. Metzger <>
List: current-users
Date: 03/13/1994 13:53:42
Yeng-Chee Su says:
> > In the next few days, i'm going to provide a means where people can
> > almost-permanently wire their 'com'-driven tty ports to have CLOCAL,
> > CRTSCTS, or 'software carrier' set.  That should help some.
> > 
>   Would you please make it Sun compatible?  I modify the com.c if it's
> open with minor(dev)>=128, the COM_SW_SOFTCAR is set automatically, and
> it will be reset when close.  This make me can use cua0, cua1 for dial-out
> service and tty00,tty01 for dialin service.

Actually, this particular trick originated on the Vax version of BSD
many moons ago.  Its a really good hack; it lets you ask for what you
want very easily.