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From: bill@twwells.com (T. William Wells)
Newsgroups: comp.std.c
Subject: Re: doubtful assumptions about pointers
Message-ID: <1990Jan10.213753.3902@twwells.com>
Date: 10 Jan 90 21:37:53 GMT
References: <1250.25ab3338@csc.anu.oz> <11922@smoke.BRL.MIL>
Organization: None, Ft. Lauderdale, FL
Lines: 14

Don't ask me why, but 3.2.2.3 does say integral constant
*expression*.

That permits 1 - 1 to be a null pointer constant. And
(char *)(1 - 1) to be a null pointer.

Wierd.

Also, I imagine, it won't help dispel the confusion that seems to
surround null pointers.

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Bill                    { uunet | novavax | ankh } !twwells!bill
bill@twwells.com