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Groups > comp.lang.c > #43340

Re: Constant strings

From James Kuyper <jameskuyper@verizon.net>
Newsgroups comp.lang.c
Subject Re: Constant strings
Date 2014-04-22 15:28 -0400
Organization Self
Message-ID <5356C2E9.1030405@verizon.net> (permalink)
References (9 earlier) <Yyr5v.88516$q95.40464@fx22.am4> <lj66ko$8sh$1@dont-email.me> <kYx5v.117760$Ey6.66211@fx24.am4> <5356AEBC.4020509@verizon.net> <kRy5v.120930$Ey6.22221@fx24.am4>

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On 04/22/2014 02:48 PM, BartC wrote:
> 
> 
> "James Kuyper" <jameskuyper@verizon.net> wrote in message 
> news:5356AEBC.4020509@verizon.net...
>> On 04/22/2014 01:48 PM, BartC wrote:
>> ...
>>> You want to call an external function SomeFunction(Image_t) which does 
>>> not
>>> modify the image it is passed. How would that be expressed using const?
>>
>> typedef struct Image Image_t;
>> // struct Image is an opague type.
>>
>> somereturntype SomeFunction(const Image_t *);
> 
> Nice try, but:
> 
> * As you have it, Image_t is now not so opaque; you've introduced a struct 
> and a pointer

If it's not opaque, how many members does it have? What are their names
and types, and in what order are they allocated? Keep in mind that no
more information need be given to the compiler, than I've already given
you, in order to write code that passes around Image_t* values. The fact
that I've used a struct is not something the user needs to know about -
it could just as easily have been a union or an arithmetic type (though
it would have to be a pretty small image to fit in a single object of a
standard arithmetic type - a long double _Complex would typically not be
large enough for anything more than a 16x10 b/w image).

If you need more opacity than that, you'll have to explain why. Hiding
the fact that it's a pointer behind a typedef is TOO MUCH opacity,
because it can cause things to be syntax errors that don't look like
syntax errors (and vice versa). If you want to use an array type, you
can store it inside the struct. Making Image_t itself an array type
would cause it to be unexpectedly treated as a pointer in some contexts.

> * As written, the const here doesn't stop SomeFunction from changing the 
> image data (it might make it harder to change details in the descriptor, 
> *if* implemented as a pointer to a struct).

As written, it is a pointer to a struct, and therefore requires
SomeFunction() to cast away the 'const' in order to change the value of
any member of that struct. I always treat casts with suspicion, as
something that should be avoided, so that's sufficient to be useful
(though I'd prefer a new language feature that would cause such casts to
be constraint violations).

This approach can't do anything about structs that contain pointers to
the actual data managed by the struct, or indices into arrays that are
not part of the struct. That reduces the value of using 'const' for this
purpose, but it does not eliminate that value - it doesn't even come
close to doing so. Rather, it reduces (but does not eliminate) the value
of using such structures for managing the data.

> I suppose you could consider this 'const' to be just a token, informal way 
> of telling a human reader that it will not modify the image data. But in 
> that case a comment would do just as well.

For the purposes of my response, consider:

someotherreturntype SomeOtherFunction(Image_t *);

A comment in place of the 'const' in the declaration of SomeFunction()
would not cause a mandatory diagnostic if SomeFunction() attempts to
modify the object pointed at, including, as a special case, any attempt
to pass that pointer to SomeOtherFunction(). Therefore, a comment is not
an adequate substitute for 'const'.

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Thread

Constant strings "BartC" <bc@freeuk.com> - 2014-04-18 11:45 +0100
  Re: Constant strings Richard Damon <Richard@Damon-Family.org> - 2014-04-18 07:34 -0400
  Re: Constant strings G G <gdotone@gmail.com> - 2014-04-18 05:23 -0700
    Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-18 17:16 +0100
      Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-18 11:08 -0700
      Re: Constant strings G G <gdotone@gmail.com> - 2014-04-18 13:11 -0700
  Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-18 10:21 -0400
    Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-18 08:45 -0700
    Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-18 16:48 +0100
      Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-18 09:21 -0700
      Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-19 09:09 +1200
        Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-18 23:53 +0100
          Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-18 23:06 +0000
            Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-19 03:57 -0700
              Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-19 23:41 +1200
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-19 06:21 -0700
                Re: Constant strings Barry Schwarz <schwarzb@dqel.com> - 2014-04-19 10:04 -0700
                Re: Constant strings Barry Schwarz <schwarzb@dqel.com> - 2014-04-19 16:54 -0700
                Re: Constant strings Seungbeom Kim <musiphil@bawi.org> - 2014-04-19 17:54 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-19 13:20 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-19 23:32 +0100
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-19 23:38 +0000
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-19 17:28 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-20 10:53 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-20 14:29 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-20 23:41 +0100
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-21 11:14 +1200
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-21 13:05 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-21 11:11 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-20 19:44 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-21 10:51 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-21 13:29 -0400
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-21 11:04 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 11:31 +0100
                Re: Constant strings Martin Shobe <martin.shobe@yahoo.com> - 2014-04-22 06:24 -0500
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 13:34 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-22 09:19 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 15:00 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 07:53 -0700
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-22 12:48 -0400
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-22 07:28 -0400
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 05:46 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 07:45 -0700
                Re: Constant strings Ike Naar <ike@iceland.freeshell.org> - 2014-04-22 16:34 +0000
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 10:10 -0700
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-22 11:50 -0500
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 18:48 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-22 14:02 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 19:48 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-22 15:28 -0400
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-22 19:48 -0500
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-23 11:56 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-23 12:59 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-23 08:21 -0400
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-23 14:09 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-23 14:19 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-23 08:40 -0400
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-23 11:56 -0400
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-23 11:10 -0700
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-23 19:19 -0500
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-23 19:19 -0700
                Re: Constant strings Robert Wessel <robertwessel2@yahoo.com> - 2014-04-23 23:53 -0500
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-24 11:55 +0000
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-24 11:27 -0500
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-24 20:03 +0000
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-24 17:16 -0500
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-23 17:39 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-23 13:06 -0400
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-23 10:25 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-23 11:30 -0700
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-23 20:55 +0000
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-23 21:53 -0700
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-24 17:05 +1200
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-24 00:59 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-23 18:39 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-23 14:53 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-23 21:09 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-23 19:23 -0400
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-25 10:52 -0500
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-23 19:36 -0500
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-24 10:37 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-24 07:45 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-24 13:15 +0100
                Re: Constant strings Martin Shobe <martin.shobe@yahoo.com> - 2014-04-24 08:33 -0500
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-24 09:47 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-24 15:09 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-24 12:07 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-24 18:23 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-24 14:49 -0400
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-24 13:48 -0500
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-24 12:32 -0700
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-24 23:57 -0500
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-25 08:31 -0400
                Re: Constant strings Martin Shobe <martin.shobe@yahoo.com> - 2014-04-25 09:51 -0500
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-25 16:45 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-25 09:07 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-25 17:33 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-25 11:38 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-25 11:42 -0700
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-25 10:58 -0500
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-25 11:29 -0700
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-25 15:10 -0400
                Re: Constant strings Martin Shobe <martin.shobe@yahoo.com> - 2014-04-25 19:06 -0500
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-26 05:39 -0400
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-26 04:07 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-26 12:50 +0100
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-26 05:03 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-26 11:23 -0700
                Re: Constant strings gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-26 19:13 +0000
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-26 23:54 +0200
                Re: Constant strings Richard Damon <Richard@Damon-Family.org> - 2014-04-26 18:47 -0400
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-26 23:01 +0000
                Re: Constant strings Seungbeom Kim <musiphil@bawi.org> - 2014-04-26 18:09 -0700
                Re: Constant strings gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-27 01:22 +0000
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-27 04:09 +0200
                Re: Constant strings David Thompson <dave.thompson2@verizon.net> - 2014-05-25 16:44 -0400
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-05-25 14:43 -0700
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-27 04:09 +0200
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-27 05:36 +0000
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-27 06:42 -0700
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-27 02:42 +0000
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-27 04:45 +0200
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-27 14:13 -0500
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-27 20:11 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 03:22 +0100
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-28 10:00 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 11:24 +0100
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 12:30 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 13:58 +0100
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 12:22 +0000
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-28 08:53 -0700
                Re: Constant strings gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-28 16:10 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 18:11 +0000
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-28 11:34 -0700
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 19:01 +0000
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 11:06 +0000
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-28 12:48 +0100
                Re: Constant strings Richard Damon <Richard@Damon-Family.org> - 2014-04-28 08:11 -0400
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 14:04 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 12:55 +0100
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-28 13:23 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 13:47 +0100
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-28 06:01 -0700
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-29 08:43 +1200
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 21:08 +0000
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-29 09:32 +1200
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 22:41 +0100
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 22:00 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 23:18 +0100
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-28 15:43 -0700
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 23:23 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 22:47 +0000
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 23:17 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-29 01:18 +0100
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-29 00:31 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-29 01:58 +0100
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-29 01:13 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-29 03:19 +0100
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-29 03:31 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-29 04:21 +0000
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-29 04:29 +0000
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-29 09:14 +0200
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-29 14:05 +0100
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-29 00:37 -0700
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-29 13:36 +0200
                Re: Constant strings ralph <nt_consulting@yahoo.com> - 2014-04-29 07:49 -0500
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-29 06:28 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-29 07:37 -0700
                Re: Constant strings David Brown <david.brown@hesbynett.no> - 2014-04-29 17:15 +0200
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-29 20:58 +0000
                Re: Constant strings David Brown <david.brown@hesbynett.no> - 2014-04-30 10:16 +0200
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-29 16:04 +0000
                Re: Constant strings gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-29 16:10 +0000
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-29 09:58 -0700
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-30 12:46 +0200
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-29 14:51 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-29 16:05 +0000
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-29 01:53 +0000
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-28 23:11 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 23:29 +0000
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-29 00:18 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 21:52 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-28 23:08 +0100
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-28 22:31 +0000
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-29 00:54 +0100
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-28 23:10 +0100
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-29 11:28 +1200
                Re: Constant strings gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-27 06:31 +0000
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-26 12:27 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-26 13:11 +0100
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-26 13:50 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-26 11:26 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-27 02:21 +0100
                Re: Constant strings Martin Shobe <martin.shobe@yahoo.com> - 2014-04-26 08:05 -0500
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-26 11:39 -0700
                Re: Constant strings Martin Shobe <martin.shobe@yahoo.com> - 2014-04-26 16:27 -0500
                Re: Constant strings Ian Zimmerman <itz@buug.org> - 2014-04-27 10:46 -0700
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-26 22:46 -0400
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-27 10:08 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-27 07:35 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-27 16:35 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-27 12:28 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-27 12:36 +0100
                Re: Constant strings James Kuyper <jameskuyper@verizon.net> - 2014-04-27 23:14 -0400
                Re: Constant strings Seungbeom Kim <musiphil@bawi.org> - 2014-04-26 18:03 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-27 02:33 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-24 07:49 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-25 03:03 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-25 22:50 +0100
                Re: Constant strings Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2014-04-24 20:20 -0600
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-24 23:31 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-25 15:24 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-25 08:31 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-24 07:58 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-26 13:38 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-26 11:50 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-24 07:42 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-24 08:43 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-23 11:28 -0700
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-23 18:42 +0000
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-24 14:03 -0500
                Re: Constant strings glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-23 20:49 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-23 21:21 +0000
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-23 10:50 -0500
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-22 19:41 -0500
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 09:43 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 18:19 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 11:45 -0700
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 20:01 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 12:19 -0700
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-23 11:01 -0500
                Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-22 15:21 -0500
                Re: Constant strings Richard <rgrdev_@gmail.com> - 2014-04-20 11:08 +0100
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 02:26 -0700
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-22 21:36 +1200
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 13:14 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 07:25 -0700
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 08:29 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 09:35 -0700
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 09:54 -0700
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 10:17 -0700
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 10:31 -0700
                Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 02:33 -0700
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-22 21:37 +1200
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-22 07:17 -0700
              Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-19 13:42 +0100
              Re: Constant strings Ike Naar <ike@iceland.freeshell.org> - 2014-04-19 15:42 +0000
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-19 16:19 +0000
              Re: Constant strings Seungbeom Kim <musiphil@bawi.org> - 2014-04-19 17:47 -0700
          Re: Constant strings Stephen Sprunk <stephen@sprunk.org> - 2014-04-22 11:00 -0500
            Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 18:36 +0100
              Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-23 09:38 +1200
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-22 23:25 +0100
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-23 10:48 +1200
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-23 12:37 +0100
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-23 13:47 +0100
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-23 14:03 +0100
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-24 09:14 +1200
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-23 23:37 +0100
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-24 10:54 +1200
                Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-24 00:52 +0100
                Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-24 01:04 +0000
                Re: Constant strings Ian Collins <ian-news@hotmail.com> - 2014-04-24 13:16 +1200
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-23 19:14 -0700
                Re: Constant strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-04-24 03:41 +0100
                Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-23 16:04 -0700
  Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-18 08:53 -0700
    Re: Constant strings Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-20 16:02 -0700
  Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-18 16:13 +0000
    Re: Constant strings "BartC" <bc@freeuk.com> - 2014-04-18 18:34 +0100
      Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-18 11:06 -0700
      Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-18 18:54 +0000
        Re: Constant strings Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-18 14:15 -0700
  Re: Constant strings Rosario193 <Rosario@invalid.invalid> - 2014-04-20 20:15 +0200
    Re: Constant strings Rosario193 <Rosario@invalid.invalid> - 2014-04-20 22:13 +0200
      Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-20 14:31 -0700
    Re: Constant strings Keith Thompson <kst-u@mib.org> - 2014-04-20 14:30 -0700
      Re: Constant strings Rosario193 <Rosario@invalid.invalid> - 2014-04-21 02:43 +0200
        Re: Constant strings Kaz Kylheku <kaz@kylheku.com> - 2014-04-21 03:12 +0000
          Re: Constant strings Rosario193 <Rosario@invalid.invalid> - 2014-04-21 09:08 +0200

csiph-web