Date: Sun, 17 Oct 1999 14:37:32 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Richard Ellingworth <ricell AT globalnet DOT co DOT uk>
cc: djgpp AT delorie DOT com
Subject: Re: Serial communications
In-Reply-To: <7u82r6$pf$1@gxsn.com>
Message-ID: <Pine.SUN.3.91.991017143703.25053b-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Reply-To: djgpp AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk


On Fri, 15 Oct 1999, Richard Ellingworth wrote:

> I have played around with Bill
> Currie's communications library and also with the DZComm library, but I have
> come up against the same problem in both. Although the terminal programs
> supplied with the libraries both work, after I have modified them slightly
> the program crashes with a SIGSEGV error (segmentation violation).

This quite unequivocally indicates that your change is the culprit.
Perhaps if you showed us what exactly did you change, somebody will be
able to spot the problems for you.  Without that info, nobody can
guess the reason(s) for your trouble.

> Is there somewhere that
> explains exactly how to use the functions specified in the DPMI.H header in
> words of one syllable?

Try section 18.9 of the DJGPP FAQ list.