Date: Wed, 13 Aug 1997 13:43:10 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: "Salvador Eduardo Tropea (SET)" <salvador AT inti DOT edu DOT ar>
cc: djgpp AT delorie DOT com
Subject: Re: Detecting NT
In-Reply-To: <m0wyFVB-000S1qC@inti.edu.ar>
Message-ID: <Pine.SUN.3.91.970813134233.4132I-100000@is>
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On Tue, 12 Aug 1997, Salvador Eduardo Tropea (SET) wrote:

> Does anybody know how to detect if the current OS is NT?

This has come up before.  If memory serves, NT is the only platform
whose DOS box identifies itself as DOS version 5.50 when you call
function 3306h of interrupt 21h.  So just callig the DJGPP library
function `_get_dos_version' with a non-zero argument should be enough.