Date: Wed, 25 Mar 1998 18:51:11 -0500 (EST)
Message-Id: <199803252351.SAA09923@delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: salvador AT inti DOT gov DOT ar
CC: eliz AT is DOT elta DOT co DOT il, blizzar AT hem1 DOT passagen DOT se, djgpp AT delorie DOT com,
        djgpp-workers AT delorie DOT com
In-reply-to: <m0yHoqi-000S2qC@inti.gov.ar> (salvador@inti.gov.ar)
Subject: Re: NULL redefined! :(
Precedence: bulk


> 2) Is equivalent to 0, that's:
> 
> a) char *foo=0; then (foo==0) is true.

BUT these are not equivalent:

	__null = foo;
	0 == foo;

Also, looking up the value of a variable takes more CPU time than
comparing to a constant, and the compiler can't optimize it as well.