Newsgroups: comp.lang.c
Path: utzoo!henry
From: henry@zoo.toronto.edu (Henry Spencer)
Subject: Re: Seven Original Sins of K&R (Long)
Message-ID: <1990Oct5.165559.26893@zoo.toronto.edu>
Organization: U of Toronto Zoology
References: <12780@sdcc6.ucsd.edu> <1990Sep26.163927.26084@dg-rtp.dg.com> <1990Sep26.193626.721@phri.nyu.edu> <1990Sep27.073730.26575@warwick.ac.uk> <1990Sep27.131329.26616@phri.nyu.edu> <1990Sep28.144753.23727@zoo.toronto.edu> <3945@se-sd.SanDiego.NCR.CO <1283.270b3 <26661@shamash.cdc.com> <1990Oct5.165133.26651@zoo.toronto.edu>
Date: Fri, 5 Oct 90 16:55:59 GMT

I wrote:
>	No legal program can tell the difference between #define NULL 0,
>	#define NULL 0L, and #define NULL ((void *)0).

Well, if you want to be really picky, something like "sizeof(NULL)" can,
but no proper use of NULL as a pointer can.
-- 
Imagine life with OS/360 the standard  | Henry Spencer at U of Toronto Zoology
operating system.  Now think about X.  |  henry@zoo.toronto.edu   utzoo!henry