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Re: Difference between these pointer syntaxes

From James Kuyper <jameskuyper@verizon.net>
Newsgroups comp.lang.c
Subject Re: Difference between these pointer syntaxes
Date 2016-08-27 00:20 -0400
Organization A noiseless patient Spider
Message-ID <npr4e1$7dm$1@dont-email.me> (permalink)
References (17 earlier) <86fe4ec0-6dcd-4aa0-8a21-f8e57038c3bb@googlegroups.com> <nppmqh$t96$1@jstuckle.eternal-september.org> <npprpa$f7r$1@dont-email.me> <npq0dv$go$1@jstuckle.eternal-september.org> <878tvji8re.fsf@bsb.me.uk>

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On 08/26/2016 04:18 PM, Ben Bacarisse wrote:
> Jerry Stuckle <jstucklex@attglobal.net> writes:
> 
>> On 8/26/2016 12:46 PM, Richard Heathfield wrote:
>>> On 26/08/16 16:21, Jerry Stuckle wrote:
>>>> On 8/26/2016 9:36 AM, Malcolm McLean wrote:
>>> <snip>
>>>>> Arrays aren't technically arrays either.
>>>
>>> Malcolm, you're being ridiculous again. But that's not why I called...
>>>
>>>>> the code
>>>>>
>>>>> double B[100];
>>>>> double A[100];
>>>>>
>>>>> B[0] = 42.0;
>>>>>
>>>>> for(i=0;i<sizeof B/sizeof *B; i++)
>>>>>    A[i] = B[i];
>>>>>
>>>>> is wrong. it is undefined behaviour.
>>>
>>> Correct.
> <snip>
>>>> The values it contains may or may not be
>>>> initialized*,
>>>> but it is still an array, and the behavior is defined.
>>>
>>> Not if the arrays have block scope, which they do here.
>>>
>>>> A[1] to A[99] will contain the same values as B[1] to B[99].
>>>
>>> Maybe, maybe not. The C Standard doesn't guarantee that, or indeed
>>> anything else, after the assignment of B[1] (indeterminate) to A[1].
>>
>> That is not true for integers.  The standard does not specify the use of
>> uninitialized integers is undefined - only that their value is.
> 
> No.  Annex J helpfully collects all the instances of undefined behaviour
> and even has useful citations to the normative text:
> 
>   — The value of an object with automatic storage duration is used while
>     it is indeterminate (6.2.4, 6.7.9, 6.8).

And none of those clauses render the behavior undefined unless the
relevant type is one that allows trap representations. If either the
standard or the documentation of the particular implementation you're
using makes it clear that the particular type you're working with does
not have trap representations, the result of the copy is, at worst,
unspecified (in C99 and earlier. In C2011, 6.3.2.1p2 makes the behavior
directly undefined, without depending upon the possibility of trap
representations).

Jerry's conclusion that "A[1] to A[99] will contain the same values as
B[1] to B[99]", is still false even in C99, even if the  indeterminate
values are of a type that is guaranteed to not have a trap
representation. The value is still unspecified, and that's sufficient.
The committee has responded to a DR (I unfortunately cannot remember
which one) by clarifying that, in general, if something is unspecified,
an implementation is free to make a different choice every time the code
is compiled, or each time a program is executed, or in different parts
of the same program, or even during different passes through the same
line of code. There are necessarily broad classes of exceptions to this
rule (otherwise, for example, the unspecified aspects of the
representation of types could make it impossible for even two different
lines in the same program to inter-operate) - but the unspecified value
represented by uninitialized objects is not in one of those classes.
You're not supposed to use such values, and what the standard says about
them is intended to discourage attempts to do so. In particular, the
expression A[5] could have a different value when used to fill in B[5]
than it has the next time that it gets executed. That continues to be
true for as determinate.

There's a plausible real-world optimization (for space, rather than
time) that could have precisely that result. The standard guarantees
that a non-volatile object retains it's last-stored value - but that
guarantee doesn't kick in until a value has actually been stored in the
object, Until that point, the memory that will eventually be used for
storing that value might, temporarily, be used by the compiler for
almost any other purpose. That other use might result in A[5] having
different values when evaluated on two different occasions - even two
different passes through the same line of code, so long as it's value
remains indeterminate.

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Thread

Difference between these pointer syntaxes eva galois <eva.galois@yandex.ru> - 2016-08-09 19:37 -0400
  Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-10 01:12 +0100
    Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-09 23:57 -0700
      Re: Difference between these pointer syntaxes mark.bluemel@gmail.com - 2016-08-10 00:29 -0700
      Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-10 20:50 +0100
        Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-10 15:54 -0700
          Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-11 01:20 +0100
          Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-10 18:01 -0700
            Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-11 07:40 -0700
      Re: Difference between these pointer syntaxes Ike Naar <ike@iceland.freeshell.org> - 2016-08-11 22:43 +0000
    Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-10 11:51 +0100
      Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-10 08:11 -0700
        Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-10 17:13 +0100
      Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-10 20:57 +0100
        Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-10 21:21 +0100
          Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-10 14:38 -0700
            Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-10 23:16 +0100
              Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-10 20:19 -0700
          Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-11 01:36 +0100
            Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 10:49 +0100
              Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-11 11:46 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 13:09 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-11 15:45 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 16:46 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-11 19:44 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 18:58 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-12 01:13 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-12 11:18 +0100
                Re: Difference between these pointer syntaxes Ike Naar <ike@iceland.freeshell.org> - 2016-08-12 16:28 +0000
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-12 18:51 +0100
                Re: Difference between these pointer syntaxes Ike Naar <ike@iceland.freeshell.org> - 2016-08-12 18:18 +0000
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-12 11:31 -0700
                Re: Difference between these pointer syntaxes Ike Naar <ike@iceland.freeshell.org> - 2016-08-12 19:30 +0000
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-12 20:44 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-12 14:32 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-12 23:03 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-12 22:46 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-12 12:37 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-12 21:07 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-12 13:34 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-12 22:12 +0100
                Re: Difference between these pointer syntaxes Melzzzzz <mel@zzzzz.com> - 2016-08-12 23:24 +0200
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-13 00:59 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-13 11:28 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-13 03:56 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-13 12:52 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-13 17:34 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-13 09:44 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-13 18:35 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-13 11:21 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 12:35 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-15 15:10 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 17:07 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 10:03 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 17:26 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 11:42 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 19:04 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 12:27 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 20:04 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 13:32 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 21:32 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 14:50 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-15 22:38 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 16:03 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-16 00:32 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 17:57 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-16 01:28 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-15 19:13 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-16 11:01 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-16 08:35 -0700
                Re: Difference between these pointer syntaxes fir <profesor.fir@gmail.com> - 2016-08-16 07:29 -0700
                Re: Difference between these pointer syntaxes already5chosen@yahoo.com - 2016-08-16 10:40 -0700
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-16 10:48 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-16 12:21 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-16 12:19 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-16 14:03 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-16 13:14 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-16 21:48 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-16 14:14 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-16 15:22 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-16 14:46 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-16 16:41 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-17 08:44 -0500
                Re: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-17 10:12 -0400
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-17 10:38 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 10:45 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-17 17:06 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 17:06 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 09:58 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-17 16:54 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 09:59 -0700
                Re: Difference between these pointer syntaxes Jean-Marc Bourguet <jm@bourguet.org> - 2016-08-17 19:41 +0200
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 13:03 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 11:45 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 13:10 -0700
                Re: Difference between these pointer syntaxes Jean-Marc Bourguet <jm@bourguet.org> - 2016-08-17 23:01 +0200
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-17 21:09 +0100
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-17 17:16 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 17:20 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 00:04 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 18:01 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 01:03 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 19:10 -0700
                Re: Difference between these pointer syntaxes Jean-Marc Bourguet <jm@bourguet.org> - 2016-08-18 11:11 +0200
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-18 09:40 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 11:25 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-18 12:51 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 13:22 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-19 00:20 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-19 17:41 -0500
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-20 00:17 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-20 13:43 -0500
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-20 21:00 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-20 16:00 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-21 00:52 +0100
                Re: Difference between these pointer syntaxes fir <profesor.fir@gmail.com> - 2016-08-21 13:04 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-25 18:06 -0700
                Re: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-26 07:31 -0400
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-26 14:25 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-26 06:36 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-26 15:37 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-26 07:59 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-26 09:07 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-26 09:22 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-26 11:22 -0700
                Re: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 11:21 -0400
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-26 08:37 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-26 09:46 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-26 09:23 -0700
                Re: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 12:52 -0400
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-26 10:50 -0700
                Re: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-26 17:46 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-26 10:38 -0700
                Re: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 14:05 -0400
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-26 12:01 -0700
                Re: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 15:12 -0400
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-26 12:48 -0700
                Re: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 15:55 -0400
                Re: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-26 21:02 +0100
                otRe: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 16:27 -0400
                Re: otRe: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-26 22:20 +0100
                Re: otRe: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-26 15:15 -0700
                Re: otRe: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-26 17:01 -0700
                Re: otRe: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-26 16:45 -0700
                Re: otRe: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 20:32 -0400
                Re: otRe: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-27 03:09 +0100
                Re: otRe: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-26 22:32 -0400
                Re: otRe: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-27 04:07 +0100
                Re: otRe: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-27 00:24 -0400
                Re: otRe: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-27 07:03 +0100
                Re: otRe: Difference between these pointer syntaxes "James R. Kuyper" <jameskuyper@verizon.net> - 2016-08-27 12:34 -0400
                Re: otRe: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 11:46 -0700
                Re: otRe: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-27 20:04 -0700
                Re: otRe: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-27 20:25 -0700
                Re: otRe: Difference between these pointer syntaxes Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-08-27 21:32 -0600
                Re: otRe: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-27 20:42 -0700
                Re: otRe: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-27 20:54 -0700
                Re: otRe: Difference between these pointer syntaxes Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-08-27 23:58 -0400
                Re: otRe: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 22:53 -0700
                Re: otRe: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-27 23:29 -0700
                Re: otRe: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-01 08:21 -0700
                Re: otRe: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-27 19:27 +0100
                Re: otRe: Difference between these pointer syntaxes "James R. Kuyper" <jameskuyper@verizon.net> - 2016-08-27 14:46 -0400
                Re: otRe: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-27 11:45 +0100
                Re: otRe: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-27 04:47 -0700
                Re: otRe: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-27 12:26 -0700
                Re: otRe: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-27 13:06 +0100
                Re: otRe: Difference between these pointer syntaxes "James R. Kuyper" <jameskuyper@verizon.net> - 2016-08-27 13:59 -0400
                Re: otRe: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 11:52 -0700
                Re: otRe: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-27 19:31 +0100
                Re: otRe: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-27 13:47 -0700
                Re: otRe: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-27 22:49 +0100
                Re: otRe: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-27 15:07 -0700
                Re: otRe: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-29 11:11 -0700
                Re: otRe: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 15:57 -0700
                Re: otRe: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-27 20:50 -0400
                Re: otRe: Difference between these pointer syntaxes Jerry Stuckle <jstucklex@attglobal.net> - 2016-08-27 20:45 -0400
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-26 21:18 +0100
                Re: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-27 00:20 -0400
                Re: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-27 00:27 -0400
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-26 17:01 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-26 19:50 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-26 21:30 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-26 22:11 +0100
                Re: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-26 23:42 -0400
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-26 21:15 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-27 11:37 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-27 10:47 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 12:20 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 12:07 -0700
                Re: Difference between these pointer syntaxes "James R. Kuyper" <jameskuyper@verizon.net> - 2016-08-27 14:52 -0400
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-27 21:20 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 14:18 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-27 23:14 +0100
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-27 20:06 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-27 23:37 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-30 08:51 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-16 20:36 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-16 14:10 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-19 00:59 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-19 17:53 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-19 18:25 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-19 20:14 -0500
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-20 14:37 +0100
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-20 13:27 -0500
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-20 20:30 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-20 15:30 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-20 15:48 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-20 17:12 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-20 22:20 +0100
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-20 13:31 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-20 15:02 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-19 17:26 -0700
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-19 19:47 -0500
                Re: Difference between these pointer syntaxes fir <profesor.fir@gmail.com> - 2016-08-16 15:09 -0700
                Re: Difference between these pointer syntaxes fir <profesor.fir@gmail.com> - 2016-08-16 15:22 -0700
                Re: Difference between these pointer syntaxes Ian Collins <ian-news@hotmail.com> - 2016-08-17 10:45 +1200
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 00:11 +0100
                Re: Difference between these pointer syntaxes Ian Collins <ian-news@hotmail.com> - 2016-08-17 11:25 +1200
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-16 16:12 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 00:37 -0700
                Re: Difference between these pointer syntaxes "James R. Kuyper" <jameskuyper@verizon.net> - 2016-08-16 19:12 -0400
                Re: Difference between these pointer syntaxes Ian Collins <ian-news@hotmail.com> - 2016-08-17 11:22 +1200
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 01:23 +0100
                Re: Difference between these pointer syntaxes Gareth Owen <gwowen@gmail.com> - 2016-08-17 20:55 +0100
                Re: Difference between these pointer syntaxes Les Cargill <lcargill99@comcast.com> - 2016-08-17 17:20 -0500
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 17:41 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 16:43 -0700
                Re: Difference between these pointer syntaxes Jean-Marc Bourguet <jm@bourguet.org> - 2016-08-18 11:59 +0200
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 13:20 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 07:35 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 16:16 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 08:43 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 16:52 +0100
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-19 00:35 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-19 11:22 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-15 13:52 -0700
                Re: Difference between these pointer syntaxes "James R. Kuyper" <jameskuyper@verizon.net> - 2016-08-16 16:39 -0400
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-16 22:33 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-16 15:32 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 00:00 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-16 17:45 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 10:53 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 07:44 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 08:28 -0700
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 10:16 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 15:23 -0700
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 15:33 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 17:29 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 10:52 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 20:18 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 13:16 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 21:34 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 14:45 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 23:19 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 16:03 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 16:19 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 14:09 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-17 19:51 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 20:44 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 13:33 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 21:45 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 15:37 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 23:48 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 16:25 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 18:07 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 17:07 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 17:22 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 19:14 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 19:03 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-01 08:23 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-01 09:55 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-09-01 12:39 -0700
                Re: Difference between these pointer syntaxes Anand Hariharan <mailto.anand.hariharan@gmail.com> - 2016-09-09 12:48 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-09-09 15:18 -0700
                Re: Difference between these pointer syntaxes Anand Hariharan <mailto.anand.hariharan@gmail.com> - 2016-09-11 09:34 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-04 14:55 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-05 00:05 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-09-05 01:37 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-11 06:31 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-05 10:51 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-09-05 14:13 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-05 16:57 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-09-06 01:21 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-05 17:31 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-06 02:12 +0100
                Re: Difference between these pointer syntaxes Ike Naar <ike@iceland.freeshell.org> - 2016-09-06 06:42 +0000
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-09-06 01:47 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-09-06 08:28 -0700
                Re: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-09-06 13:54 +0100
                Re: Difference between these pointer syntaxes Gareth Owen <gwowen@gmail.com> - 2016-09-06 18:06 +0100
                Re: Difference between these pointer syntaxes John Bode <jfbode1029@gmail.com> - 2016-09-08 07:09 -0700
                Re: Difference between these pointer syntaxes David Brown <david.brown@hesbynett.no> - 2016-09-06 09:29 +0200
                Re: Difference between these pointer syntaxes Geoff <geoff@invalid.invalid> - 2016-09-06 09:06 -0700
                Re: Difference between these pointer syntaxes Gareth Owen <gwowen@gmail.com> - 2016-09-05 18:21 +0100
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-11 06:47 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 13:00 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 16:48 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-18 12:05 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-18 05:26 -0700
                Re: Difference between these pointer syntaxes Richard Heathfield <rjh@cpax.org.uk> - 2016-08-18 13:43 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 14:05 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 00:27 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-19 02:59 -0700
                Re: Difference between these pointer syntaxes David Brown <david.brown@hesbynett.no> - 2016-08-19 14:28 +0200
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 14:25 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-19 06:50 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 15:45 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-19 08:02 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-19 08:19 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 17:35 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-19 10:02 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-19 10:24 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 22:47 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-19 16:08 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-20 00:32 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-19 17:17 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-20 11:59 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-21 04:55 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-22 07:59 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 17:14 +0100
                O(n log n) in place median algorithm (was: Difference between these pointer syntaxes) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 23:38 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-19 08:09 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 07:27 -0700
                Re: Difference between these pointer syntaxes David Brown <david.brown@hesbynett.no> - 2016-08-18 17:40 +0200
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 10:34 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 09:49 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 13:04 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 12:05 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 13:52 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 12:51 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 14:58 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 15:36 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-18 09:14 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-18 09:37 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 17:58 -0700
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 16:46 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 19:03 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-18 01:55 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 11:04 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-18 23:04 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-19 00:10 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 01:08 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-19 11:04 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 12:32 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-19 13:45 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 14:40 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-19 15:30 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 15:54 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-19 16:24 +0100
                Re: Difference between these pointer syntaxes John Bode <jfbode1029@gmail.com> - 2016-08-17 16:04 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 00:41 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 16:59 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 01:24 +0100
                Re: Difference between these pointer syntaxes John Bode <jfbode1029@gmail.com> - 2016-08-18 08:30 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 10:49 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 19:20 +0100
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-18 01:39 +0100
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-18 10:47 +0100
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 11:03 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-18 11:32 -0700
                Re: Difference between these pointer syntaxes Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-08-19 00:28 +0100
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 12:23 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-17 21:19 +0100
                Re: Difference between these pointer syntaxes Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-08-17 03:10 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 09:47 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-17 08:33 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-17 10:12 -0700
                Re: Difference between these pointer syntaxes jameskuyper@verizon.net - 2016-08-17 10:04 -0700
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-13 09:34 -0700
                Re: Difference between these pointer syntaxes Tim Rentsch <txr@alumni.caltech.edu> - 2016-08-18 08:04 -0700
              Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-11 07:51 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 15:57 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-11 09:04 -0700
              Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-11 09:17 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 19:15 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-11 11:41 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 20:06 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-11 13:42 -0700
                Re: Difference between these pointer syntaxes Keith Thompson <kst-u@mib.org> - 2016-08-11 12:38 -0700
                Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-11 20:15 +0100
                Re: Difference between these pointer syntaxes supercat@casperkitty.com - 2016-08-11 13:37 -0700
    Re: Difference between these pointer syntaxes Gareth Owen <gwowen@gmail.com> - 2016-08-11 19:54 +0100
  Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-10 12:04 +0100
  Re: Difference between these pointer syntaxes James Kuyper <jameskuyper@verizon.net> - 2016-08-10 11:12 -0400
    Re: Difference between these pointer syntaxes BartC <bc@freeuk.com> - 2016-08-10 17:27 +0100
  Re: Difference between these pointer syntaxes John Bode <jfbode1029@gmail.com> - 2016-08-10 08:19 -0700

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