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From: pete <pfiland@mindspring.com>
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Subject: Re: Size of an arraylist in bytes
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.c:13749

Keith Thompson wrote:
> 
> Joe Wright <joewwright@comcast.net> writes:
> [...]
> > A pointer is a variable object in storage which can hold the address of
> > another object in storage. The address is a value, the pointer is an object.
> >
> > This concept is too complicated (or too simple) to some of my old friends
> > but it works for me. Keith Thompson beat me into semi-submission several
> > years ago until I got too tired to play. But here I am again.
> >
> > A pointer is an object. A function cannot return an object. Consider..
> >
> > char *strcat(char *d, char *s);
> >
> > ..does not return a pointer, but an address of (char*) type.
> 
> That's an entirely consistent and sensible way to look at it.
> 
> Unfortunately,
> it's entirely inconsistent with the way standard uses the
> word "pointer".  See for example, C99 7.20.3.3p3:
> 
>     The malloc function returns either a null pointer or a pointer to
>     the allocated space.

A null pointer constant, may be converted to null pointer.

I refer to any expression of any type,
as an instance of that type.

(0.0) is a double.

-- 
pete