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| From | Keith Thompson <kst-u@mib.org> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Pointers: misunderstanding |
| Date | 2015-11-06 12:31 -0800 |
| Organization | None to speak of |
| Message-ID | <lnk2pu3m4s.fsf@kst-u.example.com> (permalink) |
| References | (2 earlier) <4b008308-c735-4da8-b946-533409f02cc5@googlegroups.com> <b54e6e9b-50a0-49d9-942b-6f08c28c29b5@googlegroups.com> <145ee9b0-5d36-4dc0-973b-14efc359eb70@googlegroups.com> <ln1tc33vwb.fsf@kst-u.example.com> <c44e0bb2-3126-4135-8c12-ac72f63258ff@googlegroups.com> |
supercat@casperkitty.com writes:
> On Friday, November 6, 2015 at 11:01:00 AM UTC-6, Keith Thompson wrote:
>> A pointer doesn't point to an address. A pointer *is* an address.
>> More precisely, the terms "address" and "pointer value" are very
>> nearly synonymous. A (non-null) pointer points to an object; that
>> object has an address, and a pointer object may contain that address.
>
> The contents of a pointer *identify* an object or a portion thereof.
> Typically a pointer will contain nothing more nor less than the hardware
> address of that object or portion thereof, but there is no requirement
> that the bit patterns held within a pointer bear any relation to anything
> having to do with the underlying hardware.
[...]
I'm using the word "address" in the way it's used by the Standard. For
example, the unary & operator "yields the address of its operand".
--
Keith Thompson (The_Other_Keith) kst-u@mib.org <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something. This is something. Therefore, we must do this."
-- Antony Jay and Jonathan Lynn, "Yes Minister"
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Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-05 09:09 -0800
Re: Pointers: misunderstanding Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-05 17:44 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 00:49 -0800
Re: Pointers: misunderstanding Philip Lantz <prl@canterey.us> - 2015-11-06 03:01 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 03:09 -0800
Re: Pointers: misunderstanding Barry Schwarz <schwarzb@dqel.com> - 2015-11-05 11:40 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 03:08 -0800
Re: Pointers: misunderstanding Richard Heathfield <rjh@cpax.org.uk> - 2015-11-06 11:33 +0000
Re: Pointers: misunderstanding Keith Thompson <kst-u@mib.org> - 2015-11-06 08:53 -0800
Re: Pointers: misunderstanding Philip Lantz <prl@canterey.us> - 2015-11-06 03:16 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 03:30 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 03:32 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 04:58 -0800
Re: Pointers: misunderstanding Keith Thompson <kst-u@mib.org> - 2015-11-06 09:00 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 09:25 -0800
Re: Pointers: misunderstanding supercat@casperkitty.com - 2015-11-06 10:07 -0800
Re: Pointers: misunderstanding Keith Thompson <kst-u@mib.org> - 2015-11-06 12:31 -0800
Re: Pointers: misunderstanding Philip Lantz <prl@canterey.us> - 2015-11-06 20:08 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 04:59 -0800
Re: Pointers: misunderstanding Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-06 13:06 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 08:50 -0800
Re: Pointers: misunderstanding Richard Heathfield <rjh@cpax.org.uk> - 2015-11-06 17:00 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 09:17 -0800
Re: Pointers: misunderstanding Richard Heathfield <rjh@cpax.org.uk> - 2015-11-06 17:22 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 09:29 -0800
Re: Pointers: misunderstanding Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-06 17:53 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 09:22 -0800
Re: Pointers: misunderstanding Richard Heathfield <rjh@cpax.org.uk> - 2015-11-06 17:24 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 09:33 -0800
Re: Pointers: misunderstanding Richard Heathfield <rjh@cpax.org.uk> - 2015-11-06 18:29 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 23:42 -0800
Re: Pointers: misunderstanding Philip Lantz <prl@canterey.us> - 2015-11-06 20:24 -0800
Re: Pointers: misunderstanding Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-06 17:51 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 23:37 -0800
Re: Pointers: misunderstanding Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-07 13:36 +0000
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-07 08:17 -0800
Re: Pointers: misunderstanding Philip Lantz <prl@canterey.us> - 2015-11-07 12:04 -0800
Re: Pointers: misunderstanding Keith Thompson <kst-u@mib.org> - 2015-11-06 08:55 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 09:23 -0800
Re: Pointers: misunderstanding Philip Lantz <prl@canterey.us> - 2015-11-06 03:26 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 23:48 -0800
Re: Pointers: misunderstanding Barry Schwarz <schwarzb@dqel.com> - 2015-11-07 00:35 -0800
Re: Pointers: misunderstanding Alla _ <modelling.data@gmail.com> - 2015-11-06 23:48 -0800
Re: Pointers: misunderstanding Keith Thompson <kst-u@mib.org> - 2015-11-07 12:24 -0800
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