Re: Unexpected and difficult to understand SIGSEGV

From	David Brown <david.brown@hesbynett.no>
Newsgroups	comp.lang.c
Subject	Re: Unexpected and difficult to understand SIGSEGV
Date	2015-09-30 10:33 +0200
Organization	A noiseless patient Spider
Message-ID	<mug6lf$mn8$1@dont-email.me> (permalink)
References	(7 earlier) <kfn37y0em7i.fsf@x-alumni2.alumni.caltech.edu> <mudfr0$5uo$1@dont-email.me> <slrnn0ks6u.eij.grahn+nntp@frailea.sa.invalid> <mue2f5$9sl$1@dont-email.me> <slrnn0n441.eij.grahn+nntp@frailea.sa.invalid>

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On 30/09/15 09:34, Jorgen Grahn wrote:
> On Tue, 2015-09-29, David Brown wrote:
>> On 29/09/15 13:07, Jorgen Grahn wrote:
>>> On Tue, 2015-09-29, David Brown wrote:
>>>> On 27/09/15 02:32, Tim Rentsch wrote:
>>> ...
>>>
>>>>> But then my view of how seriously warnings should be treated may
>>>>> be more severe than yours;  I advocate -Werror in all production
>>>>> compiles.
>>>>
>>>> That is also my preference.  It can be difficult when dealing with code
>>>> from other people that doesn't follow the same coding rules - sometimes
>>>> that means disabling warnings that I normally like.
>>>
>>> I think you can tell newer gcc that "use -Werror as a general rule,
>>> but let <these> remain mere warnings".
>>
>> I think gcc has had that ability for quite some time.
> 
> Yes. When I wrote "newer" I meant the version that was current and
> stable a few years ago has the feature, but the one we were stuck with
> at work did not.  It might have shown up in 2011 or so.
> 
>>> Come to think of it, using that feature would make me like -Werror
>>> better. My negative experience was at work, and the "errors" were
>>> almost exclusively unused functions, parameters or variables.  Not
>>> really errors, and quite common in code during development, or code
>>> with too many #ifdefs.
>>
>> There is always the __attribute__((unused)) option, to tell the compiler
>> that you know that variable or function is unused.  And you can cast a
>> variable or parameter to void as an alternative (this works on other
>> compilers too).
> 
> Yes.  The latter is not ideal though, since you may say (void)foo; and
> then go on to use foo anyway.  It shuts the compiler up, but will
> mislead the reader.  Especially if you hide it in a macro so the code
> claims UNUSED(foo).

Change the name of the macro :-)

#define MAYBE_UNUSED(x) (void)(sizeof(x))

By using sizeof, rather than casting x to void directly, you can avoid
actually reading the data.  For normal variables, assuming optimisation
is enabled, "(void) x" will not read x.  But if x is volatile, it will
do the read - whereas the version with sizeof does not read x.


It is perfectly safe to use the parameter or variable later on, even
after the cast to void.  It is arguably confusing to the reader to see
this macro used, then later in the function the variable is used
normally - but the compiler won't mind.

> 
>> Of course, this kind of thing gets messy if you need it a lot in code -
> 
> What annoyed me the most, I think, was #ifdefed code with static
> helper functions.  You wanted to split out certain logic for clarity,
> but was somehow punished for the effort because you had to hide the
> declaration and definition of the helpers too, even if they were
> harmless.
> 
> But of course #ifdef tends to become a punishment in general ... such
> code easily goes out of hand.
> 
>> something like "-Wno-unused-parameter" or "-Wno-error=unused-parameter"
>> might be more applicable, especially during development when you perhaps
>> have a lot of empty stub functions.
> 
> Yes. When I'm rewriting code I do it in increments, and I structure
> the work so the "unused function/parameter/variable" warnings serve as
> reminders that I'm not done yet in that area.
> 
> /Jorgen
>

Thread

Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-25 04:02 +0200
  Re: Unexpected and difficult to understand SIGSEGV "Chris M. Thomasson" <nospam@nospam.nospam> - 2015-09-24 19:51 -0700
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-25 14:09 +0200
  Re: Unexpected and difficult to understand SIGSEGV John Gordon <gordon@panix.com> - 2015-09-25 04:32 +0000
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-25 14:09 +0200
    Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-25 22:07 +0000
      Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-25 18:46 -0400
        Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-26 10:57 +1200
        Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-25 21:40 -0700
          Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-26 16:51 +1200
            Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-09-26 10:45 +0100
              Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-26 03:39 -0700
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-09-26 12:20 +0100
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-26 06:39 -0700
            Re: Unexpected and difficult to understand SIGSEGV fir <profesor.fir@gmail.com> - 2015-09-27 01:45 -0700
      Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-26 23:11 +0200
  Re: Unexpected and difficult to understand SIGSEGV jacobnavia <jacob@jacob.remcomp.fr> - 2015-09-25 10:28 +0200
    Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-25 10:33 +0000
      Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-25 14:05 +0200
        Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-25 16:44 +0000
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-25 14:08 +0200
  Re: Unexpected and difficult to understand SIGSEGV Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-25 10:55 +0100
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-25 14:00 +0200
      Re: Unexpected and difficult to understand SIGSEGV luser droog <luser.droog@gmail.com> - 2015-09-25 09:40 -0700
        Re: Unexpected and difficult to understand SIGSEGV Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-25 20:25 +0100
          Re: Unexpected and difficult to understand SIGSEGV <william@wilbur.25thandClement.com> - 2015-09-25 19:07 -0700
            Re: Unexpected and difficult to understand SIGSEGV Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-26 10:47 +0100
            Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-26 10:34 -0400
            Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-26 15:28 +0000
              Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-26 17:32 -0700
                Re: Unexpected and difficult to understand SIGSEGV Noob <root@127.0.0.1> - 2015-09-27 09:59 +0200
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-30 02:52 -0700
                Re: Unexpected and difficult to understand SIGSEGV Noob <root@127.0.0.1> - 2015-09-30 20:13 +0200
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 16:00 -0700
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-28 08:17 +0000
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-09-30 04:00 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-01 09:34 +1300
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-10-01 19:05 +0000
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-02 08:25 +1300
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 16:02 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 12:57 +1300
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-06 09:23 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-07 11:18 +1300
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-09 13:52 -0700
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 09:51 +0200
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-29 11:07 +0000
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 15:09 +0200
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-30 07:34 +0000
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-30 10:33 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-30 11:14 +0100
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-30 12:26 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-30 11:58 +0100
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-10-01 19:16 +0000
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 16:21 +0200
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-10-01 19:27 +0000
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-01 07:58 -0700
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-01 21:52 +0200
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 16:10 -0700
              Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-09-27 11:15 +0100
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-28 08:47 +0000
  Re: Unexpected and difficult to understand SIGSEGV Andrew Cooper <amc96@cam.ac.uk> - 2015-09-26 00:02 +0100
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-27 00:02 +0200
  Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-26 23:32 -0700
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-27 22:10 +0200
      Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-27 17:01 -0400
        Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-09-27 22:15 +0100
          Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-27 23:36 +0200
        Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-27 23:33 +0200
          Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 10:40 +1300
            Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-27 23:58 +0200
              Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 11:08 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 00:25 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 12:50 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 02:06 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 13:15 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 02:20 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 13:24 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 02:44 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 13:50 +1300
                Re: Unexpected and difficult to understand SIGSEGV Philip Lantz <prl@canterey.us> - 2015-09-27 23:44 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 20:17 +1300
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-28 01:06 -0700
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-28 16:59 +0200
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-28 09:23 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-29 07:47 +1300
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-28 13:46 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-29 07:52 +1300
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 10:15 +0200
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-02 09:55 +0000
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-02 11:59 -0400
                Re: Unexpected and difficult to understand SIGSEGV Philip Lantz <prl@canterey.us> - 2015-10-03 11:51 -0700
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-03 15:25 -0400
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 14:50 -0700
              Re: Unexpected and difficult to understand SIGSEGV Richard Damon <Richard@Damon-Family.org> - 2015-09-27 18:32 -0400
                Re: Unexpected and difficult to understand SIGSEGV asetofsymbols@gmail.com - 2015-09-27 17:37 -0700
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-27 17:50 -0700
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-28 18:18 +0000
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-28 11:31 -0700
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-29 07:37 +0000
                Re: Unexpected and difficult to understand SIGSEGV asetofsymbols@gmail.com - 2015-09-27 17:38 -0700
                Re: Unexpected and difficult to understand SIGSEGV asetofsymbols@gmail.com - 2015-09-27 17:39 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 13:42 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 02:46 +0200
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-02 09:56 +0000
          Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-27 18:20 -0400
            Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-09-27 15:54 -0700
          Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-27 18:23 -0400
            Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 00:33 +0200
              Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 11:42 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 01:04 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 12:32 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 01:37 +0200
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-09-27 16:53 -0700
              Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-09-28 00:21 +0100
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 01:30 +0200
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-09-28 00:41 +0100
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 01:52 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 12:59 +1300
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-28 17:07 +0200
                Re: Unexpected and difficult to understand SIGSEGV Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-09-30 11:17 +0000
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-09-30 06:08 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-09-27 17:09 -0700
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 02:17 +0200
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-09-28 09:00 -0700
                Re: Unexpected and difficult to understand SIGSEGV ais523 <ais523@nethack4.org> - 2015-10-01 14:05 +0000
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-10-01 16:23 +0200
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-01 10:26 -0400
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-01 16:53 +0200
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-01 11:26 -0400
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-01 21:57 +0200
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-01 13:30 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-01 13:57 -0700
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-01 17:19 -0400
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-01 15:38 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-01 17:14 -0700
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 14:19 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-04 15:01 -0700
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-04 18:26 -0400
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-04 17:53 -0700
                Re: Unexpected and difficult to understand SIGSEGV Richard Damon <Richard@Damon-Family.org> - 2015-10-04 18:37 -0400
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-04 19:13 -0400
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-04 17:57 -0700
                Re: Unexpected and difficult to understand SIGSEGV Richard Damon <Richard@Damon-Family.org> - 2015-10-04 21:57 -0400
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-05 01:53 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-05 09:37 -0700
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-09 14:10 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-09 14:35 -0700
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-10 11:43 +1300
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-12 09:17 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-12 12:32 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-12 14:12 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-12 14:52 -0700
                Re: Unexpected and difficult to understand SIGSEGV glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-10-13 03:00 +0000
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-12 23:34 -0700
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-14 11:00 +0000
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-14 08:34 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-14 11:34 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-14 11:57 -0700
                Re: Unexpected and difficult to understand SIGSEGV glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-10-15 00:03 +0000
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-15 10:57 -0700
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-20 16:06 +0000
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-17 07:32 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-17 07:51 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-17 15:51 -0700
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-02 10:09 +0000
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-02 08:55 -0400
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-02 08:59 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-02 17:35 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-03 10:02 -0700
                Re: Unexpected and difficult to understand SIGSEGV Robert Wessel <robertwessel2@yahoo.com> - 2015-10-03 16:11 -0500
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-03 17:27 -0400
                Re: Unexpected and difficult to understand SIGSEGV Robert Wessel <robertwessel2@yahoo.com> - 2015-10-03 16:58 -0500
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-03 15:16 -0700
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-03 18:21 -0400
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-03 18:23 -0400
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-03 18:52 -0400
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-03 16:16 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-03 19:13 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-03 23:34 -0700
                Re: Unexpected and difficult to understand SIGSEGV glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-10-04 07:09 +0000
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-04 14:43 -0700
                Re: Unexpected and difficult to understand SIGSEGV Robert Wessel <robertwessel2@yahoo.com> - 2015-10-04 03:19 -0500
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 14:48 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-04 16:26 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-02 13:21 -0700
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-02 17:05 -0400
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-02 15:11 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-02 20:55 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-10-03 12:00 -0700
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-03 16:52 -0700
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 14:40 -0700
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-10-01 22:02 -0400
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-02 10:09 +0100
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-02 08:19 -0700
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-10-02 03:17 -0700
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-02 13:02 +0200
                Re: Unexpected and difficult to understand SIGSEGV Philip Lantz <prl@canterey.us> - 2015-10-01 18:33 -0700
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-01 11:17 -0400
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-01 17:06 +0100
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-01 11:45 -0700
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-02 10:21 +0000
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-02 11:36 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-02 11:44 +0100
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-02 13:24 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-02 15:31 +0100
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-02 18:04 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-02 18:21 +0100
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-02 21:04 +0100
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-10-03 08:29 +0200
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-03 16:47 +0200
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-03 17:37 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-03 17:54 +0100
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-04 18:16 +0200
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 18:13 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-04 18:22 +0100
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 20:17 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-04 21:07 +0100
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 22:10 +0100
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 09:24 +1300
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 22:15 +0100
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 10:38 +1300
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 23:02 +0100
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 11:10 +1300
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 23:51 +0100
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 11:56 +1300
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 07:38 +1300
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-10-04 23:51 +0200
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-04 23:44 +0100
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 11:52 +1300
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-05 00:09 +0100
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-10-05 13:00 +1300
                Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-10-04 17:14 -0700
                Re: Unexpected and difficult to understand SIGSEGV Philip Lantz <prl@canterey.us> - 2015-10-05 09:40 -0700
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-10-05 18:32 +0100
                Re: Unexpected and difficult to understand SIGSEGV Philip Lantz <prl@canterey.us> - 2015-10-05 21:59 -0700
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-05 01:13 -0700
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-06 17:14 +0000
                Re: Unexpected and difficult to understand SIGSEGV Gareth Owen <gwowen@gmail.com> - 2015-10-02 14:56 +0100
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-10-02 16:31 +0100
                Re: Unexpected and difficult to understand SIGSEGV Gareth Owen <gwowen@gmail.com> - 2015-10-02 20:11 +0100
                Re: Unexpected and difficult to understand SIGSEGV jadill33@gmail.com - 2015-10-02 09:18 -0700
                Re: Unexpected and difficult to understand SIGSEGV Gareth Owen <gwowen@gmail.com> - 2015-10-02 20:14 +0100
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-02 10:20 -0700
                Re: Unexpected and difficult to understand SIGSEGV raltbos@xs4all.nl (Richard Bos) - 2015-10-04 14:03 +0000
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-10-01 09:28 -0700
                Re: Unexpected and difficult to understand SIGSEGV Rosario19 <Ros@invalid.invalid> - 2015-10-01 18:53 +0200
                Re: Unexpected and difficult to understand SIGSEGV Rosario19 <Ros@invalid.invalid> - 2015-10-02 06:26 +0200
                Generating header files  (Was: Unexpected and difficult to understand SIGSEGV) Roberto Waltman <usenet@rwaltman.com> - 2015-10-01 13:40 -0400
                Re: Generating header files (Was: Unexpected and difficult to understand SIGSEGV) "Morten W. Petersen" <morphex@gmail.com> - 2015-10-01 23:58 +0200
                Re: Unexpected and difficult to understand SIGSEGV Tim Rentsch <txr@alumni.caltech.edu> - 2015-10-04 14:06 -0700
              Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-27 21:05 -0400
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 10:26 +0200
              Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-27 21:15 -0400
              Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-28 09:52 -0400
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-28 10:36 -0400
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-28 10:40 -0400
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-09-28 15:55 +0100
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-29 01:16 +0200
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-09-29 00:26 +0100
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 10:34 +0200
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-09-29 15:50 +0100
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-29 11:16 -0400
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-09-29 16:22 +0100
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-29 13:15 -0400
                Re: Unexpected and difficult to understand SIGSEGV Richard Heathfield <rjh@cpax.org.uk> - 2015-09-29 18:56 +0100
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-29 07:04 -0400
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 00:07 +0200
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-09-29 18:13 -0700
                Re: Unexpected and difficult to understand SIGSEGV supercat@casperkitty.com - 2015-09-29 21:57 -0700
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-30 01:57 -0400
                Re: Unexpected and difficult to understand SIGSEGV jadill33@gmail.com - 2015-09-30 06:01 -0700
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 16:11 +0200
                Re: Unexpected and difficult to understand SIGSEGV Bartc <bc@freeuk.com> - 2015-09-30 14:12 +0100
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 16:15 +0200
                Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-30 08:40 -0700
                Re: Unexpected and difficult to understand SIGSEGV Rosario19 <Ros@invalid.invalid> - 2015-09-30 22:28 +0200
                Re: Unexpected and difficult to understand SIGSEGV Rosario19 <Ros@invalid.invalid> - 2015-09-30 22:31 +0200
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-30 16:53 -0400
                Re: Unexpected and difficult to understand SIGSEGV Rosario19 <Ros@invalid.invalid> - 2015-09-30 23:19 +0200
                Re: Unexpected and difficult to understand SIGSEGV Rosario19 <Ros@invalid.invalid> - 2015-09-30 23:32 +0200
                Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-30 18:17 -0400
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-10-01 03:19 +0200
                Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-30 22:01 -0400
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-10-02 00:46 +0200
      Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-27 17:44 -0700
        Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 13:51 +1300
          Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-27 18:04 -0700
            Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 03:39 +0200
              Re: Unexpected and difficult to understand SIGSEGV James Kuyper <jameskuyper@verizon.net> - 2015-09-27 22:03 -0400
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 04:16 +0200
                Re: Unexpected and difficult to understand SIGSEGV Ian Collins <ian-news@hotmail.com> - 2015-09-28 15:19 +1300
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 04:23 +0200
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 14:11 +0200
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 00:15 +0200
                Re: Unexpected and difficult to understand SIGSEGV Keith Thompson <kst-u@mib.org> - 2015-09-29 18:14 -0700
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-10-02 00:41 +0200
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-27 19:58 -0700
                Re: Unexpected and difficult to understand SIGSEGV David Brown <david.brown@hesbynett.no> - 2015-09-29 10:43 +0200
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 00:16 +0200
                Re: Unexpected and difficult to understand SIGSEGV Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-29 15:51 -0700
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-30 16:37 +0200
                Strings (was Re: Unexpected and difficult to understand SIGSEGV) supercat@casperkitty.com - 2015-09-30 09:12 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Bartc <bc@freeuk.com> - 2015-09-30 17:34 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) supercat@casperkitty.com - 2015-09-30 11:29 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Bartc <bc@freeuk.com> - 2015-09-30 20:00 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) supercat@casperkitty.com - 2015-09-30 12:49 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Bartc <bc@freeuk.com> - 2015-09-30 22:26 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) supercat@casperkitty.com - 2015-09-30 16:27 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Bartc <bc@freeuk.com> - 2015-10-01 09:56 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) "Morten W. Petersen" <morphex@gmail.com> - 2015-10-01 03:08 +0200
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-30 13:10 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Ian Collins <ian-news@hotmail.com> - 2015-10-01 09:23 +1300
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-30 19:02 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Richard Heathfield <rjh@cpax.org.uk> - 2015-10-01 03:12 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Bartc <bc@freeuk.com> - 2015-10-01 11:15 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Richard Heathfield <rjh@cpax.org.uk> - 2015-10-01 11:36 +0100
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-10-01 05:49 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) David Brown <david.brown@hesbynett.no> - 2015-10-01 16:41 +0200
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Ian Collins <ian-news@hotmail.com> - 2015-10-01 15:16 +1300
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-09-30 19:10 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Ian Collins <ian-news@hotmail.com> - 2015-10-01 15:20 +1300
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Philip Lantz <prl@canterey.us> - 2015-10-01 01:26 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-10-01 02:16 -0700
                Re: Strings (was Re: Unexpected and difficult to understand SIGSEGV) Martin Shobe <martin.shobe@yahoo.com> - 2015-10-01 08:34 -0500
              Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-27 19:06 -0700
                Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-28 04:18 +0200
                Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-27 21:32 -0700
  Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-27 07:54 -0700
    Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-09-27 17:16 +0200
      Re: Unexpected and difficult to understand SIGSEGV Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-09-27 11:21 -0400
        Re: Unexpected and difficult to understand SIGSEGV Geoff <geoff@invalid.invalid> - 2015-09-27 08:59 -0700
          Re: Unexpected and difficult to understand SIGSEGV "Morten W. Petersen" <morphex@gmail.com> - 2015-10-02 00:16 +0200

csiph-web