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Groups > comp.lang.c > #75511

Re: Right C version for GCC

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: Right C version for GCC
Date 2015-11-09 12:30 -0800
Organization None to speak of
Message-ID <lnwptqx6dy.fsf@kst-u.example.com> (permalink)
References (10 earlier) <n1qp07$cq6$1@speranza.aioe.org> <dacc15FebevU4@mid.individual.net> <n1qu06$olv$1@speranza.aioe.org> <daccijFebevU5@mid.individual.net> <n1qulc$qlk$1@speranza.aioe.org>

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"Morten W. Petersen" <morphex@gmail.com> writes:
> On 09.11.2015 21:04, Ian Collins wrote:
>> Morten W. Petersen wrote:
> [...]
>>> It was an example posted here IIRC, which was neat.
>>
>> Hang on, haven't we already established that your code requires C11 to
>> compile?  You stated somewhere up-thread that you value mixed
>> declaration and code (added in C99).
>
> Going further back, after discussions on this group, I found that C90
> is the way to go.
>
> I recently discovered that nesting wasn't supported in C90 when I used
> an old version of GCC.

That depends on what you mean by "nesting".  If you mean anonymous
structures, it would be a lot clearer to use that term.

Structures as members of other structures are supported in all versions
of C:

    struct outer {
        int outer_member;
        struct inner {
            int inner_member;
        } inn;
    };

Anonymous structures as members of other structures:

    struct outer {
        int outer_member;
        struct {
            int inner_member;
        };
    };

are supported only in C11 (or as an extension with some compilers).
They don't add any real new functionality, just the ability to omit
an intermediate member name when referring to the inner member.
If you have an object "obj" of type "struct outer", the second
definition lets you refer to "obj.inner_member"; with the first
you have to write "obj.inn.inner_member".

[...]

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

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Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-08 16:49 +0100
  Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-08 19:29 +0100
  Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 11:46 -0800
    Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-08 20:03 +0000
      Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 12:18 -0800
    Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-08 21:14 +0100
      Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 12:25 -0800
        Re: Right C version for GCC supercat@casperkitty.com - 2015-11-08 13:06 -0800
          Re: Right C version for GCC Philip Lantz <prl@canterey.us> - 2015-11-08 14:52 -0800
            Re: Right C version for GCC supercat@casperkitty.com - 2015-11-08 15:12 -0800
              Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 09:38 +0100
              Re: Right C version for GCC Nick Bowler <nbowler@draconx.ca> - 2015-11-09 19:04 +0000
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 11:27 -0800
            Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-09 00:00 +0000
        Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-08 16:35 -0800
    Re: Right C version for GCC supercat@casperkitty.com - 2015-11-08 12:37 -0800
      Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 12:58 -0800
        Re: Right C version for GCC supercat@casperkitty.com - 2015-11-08 13:19 -0800
    Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-08 21:49 +0000
      Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 14:14 -0800
        Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 01:02 +0000
          Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 02:26 -0800
            Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 12:53 +0100
            Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 15:00 +0000
              Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 08:55 -0800
                Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 17:07 +0000
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 09:51 -0800
                Re: Right C version for GCC jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-09 19:01 +0100
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 19:16 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 11:24 -0800
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 20:30 +0100
                Re: Right C version for GCC jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-09 20:40 +0100
            Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 08:56 -0800
              Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 09:41 -0800
                Re: Right C version for GCC gazelle@shell.xmission.com (Kenny McCormack) - 2015-11-09 17:44 +0000
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-09 18:53 +0100
                Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 18:00 +0000
                Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 10:27 -0800
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 11:17 -0800
                Re: Right C version for GCC glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-09 22:59 +0000
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 11:15 -0800
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-12 16:47 +0100
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-12 09:24 -0800
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-13 12:54 +0100
                Re: Right C version for GCC Tim Rentsch <txr@alumni.caltech.edu> - 2015-11-13 12:01 -0800
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-14 10:47 -0800
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-14 21:32 +0100
                Re: Right C version for GCC Tim Rentsch <txr@alumni.caltech.edu> - 2015-11-14 16:57 -0800
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 11:07 -0800
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 20:18 +0100
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 11:27 -0800
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 20:41 +0100
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 12:07 -0800
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 21:12 +0100
                Re: Right C version for GCC glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-09 23:13 +0000
                Re: Right C version for GCC James Kuyper <jameskuyper@verizon.net> - 2015-11-09 19:02 -0500
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:52 +0000
                Re: Right C version for GCC glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-10 21:34 +0000
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-17 22:28 +0000
                Re: Right C version for GCC glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-18 00:51 +0000
                Re: Right C version for GCC James Kuyper <jameskuyper@verizon.net> - 2015-11-17 22:26 -0500
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-18 11:06 +0100
                Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 15:37 -0800
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-10 12:54 +1300
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 16:14 -0800
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 16:37 -0800
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 16:56 -0800
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 17:25 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 10:37 +0100
                Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 18:06 -0800
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 18:51 -0800
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-10 08:40 -0800
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:55 +0000
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:50 +0000
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-12 14:32 +0100
          Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-09 10:35 +0000
      Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-08 23:57 +0100
        Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 00:47 +0100
          Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 13:01 +0100
            Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 13:18 +0100
              Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 14:01 +0100
        Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 00:55 +0000
          Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-09 10:42 +0000
            Re: Right C version for GCC Chad <cdalten@gmail.com> - 2015-11-09 03:03 -0800
              Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 03:27 -0800
                Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-09 12:28 +0000
                Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-10 09:07 +0000
              Re: Right C version for GCC James Kuyper <jameskuyper@verizon.net> - 2015-11-09 07:37 -0500
            Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-09 16:57 +0100
      Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 12:39 +0100
        Re: Right C version for GCC James Kuyper <jameskuyper@verizon.net> - 2015-11-09 13:18 -0500
          Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 10:49 +0100
            Re: Right C version for GCC Les Cargill <lcargill99@comcast.com> - 2015-11-10 19:33 -0600
              Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-11 13:34 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-11 06:53 -0800
    Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-08 17:00 -0800
      Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 13:37 +0100
      Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-09 13:53 +0100
    Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-09 21:54 +0000
      Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 15:45 -0800
        Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 11:14 +0100
          Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-10 10:53 +0000
          Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-10 03:14 -0800
            Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 13:00 +0100
              Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-10 12:39 +0000
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 15:11 +0100
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-10 16:16 +0100
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 16:35 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-10 08:54 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 18:56 +0100
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-10 23:27 +0100
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-17 22:32 +0000
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-18 08:44 +0100
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-19 10:43 +0000
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-19 12:29 +0100
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-20 11:01 +0000
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-21 15:50 +0100
                Re: Right C version for GCC Philipp Klaus Krause <pkk@spth.de> - 2015-11-18 11:13 +0100
              Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-10 07:25 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 16:42 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-10 08:48 -0800
                Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-11 01:08 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-11 13:43 +0100
                Re: Right C version for GCC Les Cargill <lcargill99@comcast.com> - 2015-11-11 08:27 -0600
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-11 16:27 +0100
                Re: Right C version for GCC David Thompson <dave.thompson2@verizon.net> - 2015-12-06 07:57 -0500
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-12-06 22:34 +0100
                Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-12-06 22:41 +0000
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-12-07 09:47 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-12-07 07:30 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-12-07 17:30 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-12-07 10:17 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-12-07 21:29 +0100
                Re: Right C version for GCC supercat@casperkitty.com - 2015-12-07 13:16 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-12-07 23:35 +0100
                Re: Right C version for GCC jadill33@gmail.com - 2015-12-07 10:41 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-12-07 21:35 +0100
  Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-08 20:11 +0000
  Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-09 09:57 +1300
    Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 13:06 -0800
      Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-09 10:16 +1300
        Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-08 22:59 +0100
          Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-09 12:13 +1300
            Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 00:43 +0100
              Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-09 13:00 +1300
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 12:02 +0100
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 09:00 -0800
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-10 07:25 +1300
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 19:35 +0100
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-10 08:55 +1300
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 21:00 +0100
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-10 09:04 +1300
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 21:11 +0100
                Re: Right C version for GCC Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 20:18 +0000
                Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 21:21 +0100
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-10 09:30 +1300
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 12:53 -0800
                Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-09 12:30 -0800
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 13:02 -0800
                Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-09 21:35 +0000
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 14:41 -0800
                Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-09 23:31 +0000
                Re: Right C version for GCC supercat@casperkitty.com - 2015-11-09 16:33 -0800
                Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-10 11:16 +0100
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-11 08:04 +1300
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-10 18:04 +0000
                Re: Right C version for GCC raltbos@xs4all.nl (Richard Bos) - 2015-11-10 18:03 +0000
                Re: Right C version for GCC Ian Collins <ian-news@hotmail.com> - 2015-11-11 08:23 +1300
          Re: Right C version for GCC David Brown <david.brown@hesbynett.no> - 2015-11-09 13:41 +0100
      Re: Right C version for GCC supercat@casperkitty.com - 2015-11-08 13:24 -0800
      Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-08 23:00 +0100
        Re: Right C version for GCC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 15:18 -0800
          Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 00:35 +0100
          Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-08 17:03 -0800
            Re: Right C version for GCC Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-09 12:42 +0000
  Re: Right C version for GCC Keith Thompson <kst-u@mib.org> - 2015-11-08 17:51 -0800
  Re: Right C version for GCC Les Cargill <lcargill99@comcast.com> - 2015-11-09 12:20 -0600
    Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-09 19:36 +0100
    Re: Right C version for GCC BartC <bc@freeuk.com> - 2015-11-09 18:47 +0000
  Re: Right C version for GCC Stephen Sprunk <stephen@sprunk.org> - 2015-11-11 00:55 -0600
    Re: Right C version for GCC "Morten W. Petersen" <morphex@gmail.com> - 2015-11-12 14:39 +0100

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