From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Daniel." <danielhilst@gmail.com>
Subject: Is defined() macro portable or GNU only?
Date: Wed, 30 Sep 2015 16:25:44 -0300
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To: "linux-c-programming@vger.kernel.org" <linux-c-programming@vger.kernel.org>

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
-- 
"Do or do not. There is no try"
  Yoda Master