From:	"Tomas Kouba" <xkouba AT cs DOT felk DOT cvut DOT cz>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Detecting NT
Date:	14 Aug 1997 06:42:13 GMT
Organization:	Czech Technical University
Lines:	15
Message-ID:	<01bca87c$b21a2440$12c3d5c2@polo.netforce.cz>
References:	<m0wyWcb-000S1kC AT inti DOT edu DOT ar>
NNTP-Posting-Host:	clppp4.netforce.cz
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Salvador Eduardo Tropea (SET) <salvador AT inti DOT edu DOT ar> píše v článku
<m0wyWcb-000S1kC AT inti DOT edu DOT ar>...
> Eli 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.
> 
Windows 3.x and 95 sets enviroment variable "windir" (lower case) this is
way to detect Windows.

	Tomas

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