Re: null pointer constant

Article View: comp.std.c

Article #4397

#4397

From: Clive D.W. Feather
Date: Mon, 27 Nov 1995 06:04

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In article <49b202$62t@nntp.Stanford.EDU>,
Denizen of the Deep <becker@Xenon.Stanford.EDU> wrote:
> If the type (void *) is not compatible with pointer-to-function
> types, then why is the expression (void *)0 a legal null
> pointer constant?
>
> Since the null pointer constant is assignable to a pointer-to-
> function, it seems that this is rather misleading.

It's a special case. Just like the expression 0 is a legal null pointer
constant, even though int is not compatible with pointer.

-- 
Clive D.W. Feather                       | If you lie to the compiler,
clive@demon.net        (work, preferred) | it will get its revenge.
clive@stdc.demon.co.uk (home)            |   - Henry Spencer

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Path: arc1-ca.pugleaf.net!stdc.demon.co.uk!clive
From: clive@stdc.demon.co.uk (Clive D.W. Feather)
Newsgroups: comp.std.c
Subject: Re: null pointer constant
Date: Mon, 27 Nov 1995 06:04:37 GMT
Organization: Demon Internet Limited (personal account)
Message-ID: <DIou7q.GFB@stdc.demon.co.uk>
References: <49b202$62t@nntp.Stanford.EDU>
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