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Date: Fri, 22 Feb 2002 16:19:17 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
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To: "MarKol" <markol4 AT wp DOT pl>
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In-reply-to: <a55f0s$dom$1@news.tpi.pl> (markol4@wp.pl)
Subject: Re: DS and ESP
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> From: "MarKol" <markol4 AT wp DOT pl>
> Newsgroups: comp.os.msdos.djgpp
> Date: Thu, 21 Feb 2002 21:25:51 +0100
> 
> I'd like to write service routines in C. You said that GCC assumes
> CS=DS=SS, so how can I write my routine in C when I'm operating
> on stack provided by DPMI??

Use the wrapper functions provided by the library, those which begin
with _go32_dpmi_.  The FAQ explains this in section 18.9.  These
wrappers switch the stack before calling the user-defined handler.

Or you could write your own wrappers as needed by your application.