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From: ark@alice.UucP (Andrew Koenig)
Newsgroups: net.lang.c
Subject: Re: microsoft C considered stupid
Message-ID: <5682@alice.uUCp>
Date: Sat, 21-Jun-86 10:12:15 EDT
Article-I.D.: alice.5682
Posted: Sat Jun 21 10:12:15 1986
Date-Received: Sun, 22-Jun-86 07:19:41 EDT
References: <1986Jun20.01:10:46.477@utcs.uucp>
Organization: Bell Labs, Murray Hill
Lines: 10

> 1. They have instituted a pre-processor conditional of the form
>	#if defined(MANIFEST_CONSTANT).  Furthermore, the manual notes that
>	use of #ifdef is "discouraged" (though at least they support it).
>	Here in net.lang.c several C revision proposals have been rejected on
>	the grounds that they don't add enough to the language to merit the
>	inconvenience of a change.  This change from #ifdef adds absolutely
>	nothing to the language!

Well maybe.  But Microsoft didn't invent this usage.
Try it on your favorite Unix system and see for yourself.