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| subject: | Re: Pointers |
From: jcoffin{at}taeus.com
To: c_echo{at}yahoogroups.com
At 02:00 AM 9/8/2003 -0500, you wrote:
[ ... ]
> True. The standard only says that there will be a value
> called NULL, which will be defined in a macro which will be
> found in the stddef.h file. It does not specify what value
> will be specified by NULL. It is generally zero, and I have
> never heard of it being anything else, but still, implementation
> defined is implementation defined, and not a strict standard.
Not so -- the macro NULL is required by the standard to have the value zero
-- the only part that's implementation defined is what type it is (e.g.
char, short, int, long, void *, etc.)
Later,
Jerry.
> There may be further changes to the standard which define NULL
> as being equal to zero, but that has no bearing on anybody doing
> development work on an older compiler which predates any change
> in the standard. I would consider defining NULL as anything
> other than zero as human error, which puts it right in the midst
> of the realm of possibilities. :)
>
>Kurt (WI-USA)
>
> > kkuzba{at}centurytel.net http://home.centurytel.net/kkuzba
> > 'It is not so dark here,' said Theoden.
>
>
>
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
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