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Date: Tue, 28 Nov 1995 00:43:00 -0500 (EST)
From: Marc Ramirez <mrami@mramirez.sy.yale.edu>
Reply-To: mrami@minerva.cis.yale.edu
To: Stephen Hocking <sysseh@devetir.qld.gov.au>
cc: chat@freebsd.org
Subject: Re: Anybody with a Turbo C++ compiler able to answer a couple of questions?
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On Tue, 28 Nov 1995, Stephen Hocking wrote:

> What do the macros FP_SEG & FP_OFF do? I think that they are for getting the 
> segment number & offset respectively of a pointer, but am not sure.

I believe you're right.  Grep (TC comes with grep!  I love that!) through 
dos.h.  If I remember correctly, it's in there (god, I haven't used Turbo 
C since I was 15 or so).  It should, of course, say something like

#define FP_SEG(x) ((long)(x)<<16L)
#define FP_OFF(x) ((long)(x)&65535L)

Marc.