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Groups > comp.lang.c > #25294

Re: C as a Subset of C++ (or C++ as a superset of C)

From Jens Gustedt <jens.gustedt@loria.fr>
Newsgroups comp.lang.c, comp.lang.c++
Subject Re: C as a Subset of C++ (or C++ as a superset of C)
Date 2012-08-28 22:36 +0200
Organization A noiseless patient Spider
Message-ID <503D2BB1.708@loria.fr> (permalink)
References (9 earlier) <eeidnQzTHuUaVaHNnZ2dnUVZ8gCdnZ2d@lyse.net> <503CCFFF.5040202@loria.fr> <U4GdnXTw6oEzd6HNnZ2dnUVZ8oOdnZ2d@lyse.net> <503CF59D.3070800@loria.fr> <503D12EC.4030106@verizon.net>

Cross-posted to 2 groups.

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Am 28.08.2012 20:50, schrieb James Kuyper:
> On 08/28/2012 12:45 PM, Jens Gustedt wrote:
>> Am 28.08.2012 17:57, schrieb David Brown:
>>>> In C this
>>>>
>>>> struct {
>>>>      unsigned a : 8;
>>>>      unsigned b : 8;
>>>>      unsigned c : 4;
>>>>      unsigned d : 4;
>>>>      unsigned e : 8;
>>>> }
>>>>
>>>> should do what you want, provided CHAR_BITS is 8. Wouldn't that be
>>>> acceptable for you? I find it even clearer in its intent.
>>>>
>>>> (Bitfields are guaranteed to have no padding and uint8_t is pretty
>>>> useless other than to guarantee that padding property or that its size
>>>> is 1.)
>>>>
>>>
>>> In practice, this works fine - but the guarantees in the standard are
>>> weak.  I /use/ bitfields regularly, with different types and enum types
>>> in the bitfields.  But I would prefer that the standards said that such
>>> usage was completely well-defined.
>>
>> can't agree on that, the standard describes exactly how this has to be
>> layed out. (well it could decide to pad it to 64 bit, but that's it.)
> 
> That's not consistent with my understanding of the standard. Could you
> specify precisely how you thought the standard required that structure
> to be laid out?
> 
> The relevant clause from the C standard is 6.7.2.1p11:
>> An implementation may allocate any addressable storage unit large enough to hold a bitfield.
>> If enough space remains, a bit-field that immediately follows another bit-field in a
>> structure shall be packed into adjacent bits of the same unit. If insufficient space remains,
>> whether a bit-field that does not fit is put into the next unit or overlaps adjacent units is
>> implementation-defined. The order of allocation of bit-fields within a unit (high-order to
>> low-order or low-order to high-order) is implementation-defined. The alignment of the
>> addressable storage unit is unspecified.
> 
> In the C++ standard, 9.6p1 says much the same thing, in somewhat less
> formal language.

I have the vague memory of someone claiming that C++ allowed for an
out of order storage of bit-fields, but I would be happy to learn the
contrary.

> Neither standard specifies the size of the allocation unit from which
> bit-fields are allocated. Which size were you assuming was specified by
> the standard?

It must be an addressable storage unit, so it must be a multiple of 8
bit (I assumed that CHAR_BITS is 8). So what ever multiple of 8 is
chosen for it c and d will always fit into the same unit. So the order
will always be a-b-c-d-e or the other way around.

> If there's enough space to store b in the same allocation unit as 'a',
> the C standard requires that 'b' be stored in bits adjacent to 'a', but
> it does not specify the relative order of 'a' and 'b'. Both standards
> explicitly state that the order of bit-fields within an allocation unit
> is unspecified . What order were you assuming was specified by the standard?
> 
> Both standards explicitly leave unspecified whether bit-fields can
> overlap adjacent allocation units. Since the assumption that CHAR_BIT==8
> was specified, that problem won't come up in this particular case, but
> with different bit-field sizes, or even with the same sizes in a
> different order, that could be an issue even on entirely conventional
> systems. For instance, if "c" were moved before "b", and the allocation
> unit was either 8 or 16 bits in size, then "b" might, or might not,
> overlap two consecutive allocation unit, depending upon the
> implementation.

I was refering to this example only. Perhaps you missed the fact that
I referred to the case of potential overlap upthread already and that
we were discussing a specific case here that came from an example by
David where he wanted a layout that respected byte (uint8_t)
boundaries.

But, point taken, it has two different layouts.

Jens

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Thread

C as a Subset of C++ (or C++ as a superset of C) "Ansel" <tinker454@trytospammenowloser.com> - 2012-08-26 03:57 -0600
  Re: C as a Subset of C++ (or C++ as a superset of C) Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-08-26 12:28 +0200
    Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-26 13:56 -0700
      Re: C as a Subset of C++ (or C++ as a superset of C) "Ansel" <tinker454@trytospammenowloser.com> - 2012-08-26 21:34 -0600
    Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-08-27 01:44 -0700
  Re: C as a Subset of C++ (or C++ as a superset of C) jacob navia <jacob@spamsink.net> - 2012-08-26 12:32 +0200
    Re: C as a Subset of C++ (or C++ as a superset of C) "Ansel" <tinker454@trytospammenowloser.com> - 2012-08-26 05:11 -0600
  Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-26 14:16 +0200
  Re: C as a Subset of C++ (or C++ as a superset of C) Varun Tewari <tewari.varun@gmail.com> - 2012-08-26 09:38 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) Andrew Smallshaw <andrews@sdf.lonestar.org> - 2012-08-27 06:29 +0000
  Re: C as a Subset of C++ (or C++ as a superset of C) Barry Schwarz <schwarzb@dqel.com> - 2012-08-26 10:03 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) Kenneth Brody <kenbrody@spamcop.net> - 2012-08-27 14:00 -0400
  Re: C as a Subset of C++ (or C++ as a superset of C) jacob navia <jacob@spamsink.net> - 2012-08-26 19:54 +0200
    Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-26 23:00 +0200
      Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-26 14:19 -0700
        Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-26 23:38 +0200
          Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-26 23:50 +0200
            Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-27 09:43 +0200
              Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-27 18:24 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-28 10:21 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 10:57 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 09:42 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-28 15:59 +0200
          Re: C as a Subset of C++ (or C++ as a superset of C) "Ansel" <tinker454@trytospammenowloser.com> - 2012-08-26 21:26 -0600
        Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-26 23:41 +0200
          Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-27 10:40 +0200
            Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-27 18:34 +0200
              Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-28 12:40 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 14:06 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-28 15:32 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 16:04 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-28 17:57 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 18:45 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) scott@slp53.sl.home (Scott Lurndal) - 2012-08-28 18:08 +0000
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 20:44 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 14:50 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 22:36 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 16:56 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 23:28 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 18:18 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Öö Tiib <ootiib@hot.ee> - 2012-08-28 15:56 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 19:09 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 19:01 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-29 09:25 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 12:39 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-29 09:41 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 10:19 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-29 10:44 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 12:24 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 06:13 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-29 08:07 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-29 14:49 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Adrian Ratnapala <raka@scooter.fritz.box> - 2012-08-30 04:44 +0000
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <Casey_at_Carter_dot_net@dontspam.me.invalid> - 2012-08-30 00:20 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-30 09:01 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-29 16:19 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 06:17 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-09-07 14:22 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) lawrence.jones@siemens.com - 2012-09-10 17:21 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 06:03 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 05:41 -0700
              Re: C as a Subset of C++ (or C++ as a superset of C) Bo Persson <bop@gmb.dk> - 2012-08-28 20:38 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 00:07 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Bo Persson <bop@gmb.dk> - 2012-08-29 21:51 +0200
              Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 15:24 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 22:47 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 16:59 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-28 17:07 -0700
          Re: C as a Subset of C++ (or C++ as a superset of C) lawrence.jones@siemens.com - 2012-08-27 16:50 -0400
            Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 00:27 +0200
            Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-27 16:15 -0700
              Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 09:20 +0200
        Re: C as a Subset of C++ (or C++ as a superset of C) Adrian Ratnapala <adrian.ratnapala@gmail.com> - 2012-08-26 15:05 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) Kenneth Brody <kenbrody@spamcop.net> - 2012-08-27 14:01 -0400
      Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-27 14:29 -0500
  Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-26 21:08 -0500
    Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <Casey@Carter.net> - 2012-08-27 21:47 -0500
      Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-27 22:34 -0500
        Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 09:27 +0200
          Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-28 12:24 -0500
            Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 21:02 +0200
              Re: C as a Subset of C++ (or C++ as a superset of C) Bo Persson <bop@gmb.dk> - 2012-08-28 21:15 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 23:00 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Melzzzzz <mel@zzzzz.com> - 2012-08-28 23:12 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-28 17:30 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Melzzzzz <mel@zzzzz.com> - 2012-08-28 23:38 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-29 10:09 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 18:01 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-29 12:03 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Dombo <dombo@disposable.invalid> - 2012-09-02 22:58 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-28 16:25 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 23:58 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-28 23:03 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 08:02 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-29 10:12 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 20:36 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-29 12:08 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-29 13:49 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-29 19:16 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-29 14:34 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-29 19:41 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-29 15:01 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-29 14:05 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-29 15:18 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-29 17:53 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-30 09:47 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-30 10:17 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-08-31 05:59 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) scott@slp53.sl.home (Scott Lurndal) - 2012-08-31 14:29 +0000
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-01 06:45 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-30 08:05 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-30 14:54 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-30 18:13 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-30 18:39 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Garrett Hartshaw <ghartshaw@gmail.com> - 2012-08-30 13:49 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-30 14:07 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-31 11:13 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-31 13:41 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-09-03 10:28 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-31 10:55 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-31 00:18 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-30 17:30 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Kenneth Brody <kenbrody@spamcop.net> - 2012-08-31 14:18 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-31 19:34 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-31 17:24 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Nobody <nobody@nowhere.com> - 2012-09-02 01:10 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 05:57 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-09-07 14:17 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 19:37 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Garrett Hartshaw <ghartshaw@gmail.com> - 2012-08-30 22:07 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-31 14:53 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Öö Tiib <ootiib@hot.ee> - 2012-09-05 19:41 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-09-05 23:44 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Öö Tiib <ootiib@hot.ee> - 2012-09-05 23:08 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-09-06 07:07 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Öö Tiib <ootiib@hot.ee> - 2012-09-06 09:40 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Dombo <dombo@disposable.invalid> - 2012-09-02 23:16 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Öö Tiib <ootiib@hot.ee> - 2012-09-05 20:27 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-30 13:57 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-08-30 12:25 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) David Brown <david@westcontrol.removethisbit.com> - 2012-08-31 11:27 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-31 11:58 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) "io_x" <a@b.c.invalid> - 2012-09-01 19:09 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 20:49 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-29 20:09 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 22:33 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-29 21:43 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-29 23:23 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-29 17:21 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-30 09:06 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) scott@slp53.sl.home (Scott Lurndal) - 2012-08-30 13:53 +0000
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-30 18:51 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Les Cargill <lcargill99@comcast.com> - 2012-08-31 21:15 -0500
                Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-08-29 23:21 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Luca Risolia <luca.risolia@studio.unibo.it> - 2012-08-30 02:38 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-30 09:11 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-30 08:46 +0200
                Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <Casey_at_Carter_dot_net@dontspam.me.invalid> - 2012-08-30 08:39 -0500
          Re: C as a Subset of C++ (or C++ as a superset of C) Jens Gustedt <jens.gustedt@loria.fr> - 2012-08-28 21:06 +0200
        Re: C as a Subset of C++ (or C++ as a superset of C) Casey Carter <casey_at_carter_dot_net@nospam.invalid> - 2012-08-28 12:18 -0500
          Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-28 13:00 -0500
          Re: C as a Subset of C++ (or C++ as a superset of C) Ike Naar <ike@iceland.freeshell.org> - 2012-08-28 22:47 +0000
          Re: C as a Subset of C++ (or C++ as a superset of C) 88888 Dihedral <dihedral88888@googlemail.com> - 2012-08-28 19:32 -0700
        Re: C as a Subset of C++ (or C++ as a superset of C) Bo Persson <bop@gmb.dk> - 2012-08-28 20:58 +0200
          Re: C as a Subset of C++ (or C++ as a superset of C) BGB <cr88192@hotmail.com> - 2012-08-28 16:55 -0500
  Re: C as a Subset of C++ (or C++ as a superset of C) lovecreatesbeauty <lovecreatesbeauty@gmail.com> - 2012-08-26 19:49 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) "Ansel" <tinker454@trytospammenowloser.com> - 2012-08-26 21:41 -0600
    Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-08-26 21:01 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-08-27 01:56 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) Ceriousmall <divadsmall@gmail.com> - 2012-08-27 04:37 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-08-27 08:50 -0400
  Re: C as a Subset of C++ (or C++ as a superset of C) John Bode <jfbode1029@gmail.com> - 2012-09-01 10:35 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-01 12:47 -0700
      Re: C as a Subset of C++ (or C++ as a superset of C) "Anse" <blankone23@framebuilder.net> - 2012-09-01 22:08 -0600
      Re: C as a Subset of C++ (or C++ as a superset of C) lawrence.jones@siemens.com - 2012-09-11 11:14 -0400
        Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-11 15:14 -0700
          Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-12 01:01 -0700
            Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-12 04:40 -0700
              Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-12 06:31 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-09-12 10:16 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-12 07:27 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-12 07:58 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-13 04:24 -0700
              Re: C as a Subset of C++ (or C++ as a superset of C) "BartC" <bc@freeuk.com> - 2012-09-12 16:21 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-12 10:21 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) "BartC" <bc@freeuk.com> - 2012-09-12 18:59 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-09-12 14:01 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) "BartC" <bc@freeuk.com> - 2012-09-12 20:36 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-09-12 16:57 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) "BartC" <bc@freeuk.com> - 2012-09-13 11:36 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-09-13 12:03 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) "BartC" <bc@freeuk.com> - 2012-09-13 13:30 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-09-13 21:32 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-09-13 15:13 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) James Kuyper <jameskuyper@verizon.net> - 2012-09-13 07:33 -0400
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-14 03:35 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-09-14 12:21 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) "Jan G" <gbn2012@world.net> - 2012-09-30 03:35 -0600
                Re: C as a Subset of C++ (or C++ as a superset of C) "Jan G" <gbn2012@world.net> - 2012-09-30 03:31 -0600
                Re: C as a Subset of C++ (or C++ as a superset of C) "Jan G" <gbn2012@world.net> - 2012-09-30 03:33 -0600
                Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-09-13 14:16 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-12 14:18 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-13 05:15 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-14 03:37 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) "BartC" <bc@freeuk.com> - 2012-09-14 13:58 +0100
                Re: C as a Subset of C++ (or C++ as a superset of C) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-09-14 08:18 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) John Bode <jfbode1029@gmail.com> - 2012-09-14 08:33 -0700
                Re: C as a Subset of C++ (or C++ as a superset of C) "Jan G" <gbn2012@world.net> - 2012-09-30 03:37 -0600
                Re: C as a Subset of C++ (or C++ as a superset of C) "Jan G" <gbn2012@world.net> - 2012-09-30 03:36 -0600
                Re: C as a Subset of C++ (or C++ as a superset of C) "Jan G" <gbn2012@world.net> - 2012-09-30 03:38 -0600
                Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-17 14:49 -0800
                Re: C as a Subset of C++ (or C++ as a superset of C) Ian Collins <ian-news@hotmail.com> - 2012-12-18 12:11 +1300
                Re: C as a Subset of C++ (or C++ as a superset of C) "io_x" <a@b.c.invalid> - 2012-09-13 12:04 +0200
              Re: C as a Subset of C++ (or C++ as a superset of C) Keith Thompson <kst-u@mib.org> - 2012-09-12 11:42 -0700
              Re: C as a Subset of C++ (or C++ as a superset of C) John Bode <jfbode1029@gmail.com> - 2012-09-13 13:00 -0700
    Re: C as a Subset of C++ (or C++ as a superset of C) "Anse" <blankone23@framebuilder.net> - 2012-09-01 22:07 -0600
      Re: C as a Subset of C++ (or C++ as a superset of C) John Bode <jfbode1029@gmail.com> - 2012-09-05 14:57 -0700
        Re: C as a Subset of C++ (or C++ as a superset of C) John Bode <jfbode1029@gmail.com> - 2012-09-05 15:29 -0700
  Re: C as a Subset of C++ (or C++ as a superset of C) Kaz Kylheku <kaz@kylheku.com> - 2012-09-01 22:45 +0000
    Re: C as a Subset of C++ (or C++ as a superset of C) Leigh Johnston <leigh@i42.co.uk> - 2012-09-02 01:07 +0100
      Re: C as a Subset of C++ (or C++ as a superset of C) "Anse" <blankone23@framebuilder.net> - 2012-09-01 22:35 -0600
      Re: C as a Subset of C++ (or C++ as a superset of C) Kaz Kylheku <kaz@kylheku.com> - 2012-09-02 21:35 +0000
    Re: C as a Subset of C++ (or C++ as a superset of C) "Anse" <blankone23@framebuilder.net> - 2012-09-01 22:30 -0600
      Re: C as a Subset of C++ (or C++ as a superset of C) mike3 <mike4ty4@yahoo.com> - 2012-09-12 15:40 -0700
        Re: C as a Subset of C++ (or C++ as a superset of C) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-09-13 05:18 -0700
  Re: C as a Subset of C++ (or C++ as a superset of C) Tim Rentsch <txr@alumni.caltech.edu> - 2012-09-07 06:18 -0700

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