From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Curry, Matthew Leon" <mlcurry@sandia.gov>
Subject: Re: [EXTERNAL] Is defined() macro portable or GNU only?
Date: Wed, 30 Sep 2015 21:27:46 +0000
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To: "Daniel." <danielhilst@gmail.com>, "linux-c-programming@vger.kernel.org" <linux-c-programming@vger.kernel.org>

It=B9s part of ANSI C, and is described in K&R.

Matthew

On 9/30/15, 1:25 PM, "linux-c-programming-owner@vger.kernel.org on beha=
lf
of Daniel." <linux-c-programming-owner@vger.kernel.org on behalf of
danielhilst@gmail.com> wrote:

>Hi all,
>
>I used to check definitions with #ifdef, but in cases where
>multiple macros are checked I use #if defined(foo) && defined(bar).
>Is this defined() check portable/standard? Or is some kind of
>extension added by GCC?
>
>Regards,
>- dhs
>--=20
>"Do or do not. There is no try"
>  Yoda Master
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