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From: sef@kithrup.COM (Sean Eric Fagan)
Newsgroups: comp.std.c
Subject: Re: gcc and NULL function pointers.
Message-ID: <1991Jun10.061202.25199@kithrup.COM>
Date: 10 Jun 91 06:12:02 GMT
Article-I.D.: kithrup.1991Jun10.061202.25199
References: <16386@ganymede.inmos.co.uk> <1991Jun4.012914.25418@tkou02.enet.dec.com> <4641@inews.intel.com>
Organization: Kithrup Enterprises, Ltd.
Lines: 26

In article <4641@inews.intel.com> bhoughto@pima.intel.com (Blair P. Houghton) writes:
>Better, su to root and erase the `(void *)' part.  The most
>general, and therefore most valuable, way to define NULL is
>to simply map it to the digit 0.

This does not handle the case where a prototype is not in scope.  E.g.

	void
	foo() {
		bar(NULL);
	}

	void
	bar(char *b) {
		if (NULL == b) {
			...
		} else {
			...
		}
	}

-- 
Sean Eric Fagan  | "I made the universe, but please don't blame me for it;
sef@kithrup.COM  |  I had a bellyache at the time."
-----------------+           -- The Turtle (Stephen King, _It_)
Any opinions expressed are my own, and generally unpopular with others.