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! :(

> 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.

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