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Groups > comp.lang.c > #94592

Re: Why I use gcc

From BartC <bc@freeuk.com>
Newsgroups comp.lang.c
Subject Re: Why I use gcc
Date 2016-10-08 11:36 +0100
Organization A noiseless patient Spider
Message-ID <ntai65$ddq$1@dont-email.me> (permalink)
References (11 earlier) <7ab1eac2-0132-4b4d-9a03-bc92cd50579b@googlegroups.com> <nt8qk1$ill$1@dont-email.me> <28fd7881-5b39-4fa3-a41f-9b9431d855f3@googlegroups.com> <nt9dps$iea$1@dont-email.me> <ntaf2c$pqq$1@dont-email.me>

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On 08/10/2016 10:42, James Harris wrote:
> On 08/10/2016 01:15, BartC wrote:
>> On 07/10/2016 20:26, Thiago Adams wrote:

>>> Yes.. I think strange declarations should be style warnings!
>>>
>>> int i, f(), (*f2)(), *p, a[1];
>>> typedef int i, k;
>>>
>>> I don't use more than one declarator in my code.
>>
>> That's one of those features of C that must have seemed a good idea at
>> the time.
>>
>> I /think/ your example above is declaring:
>>
>> * An int
>> * A function returning int (presumably this is an extern or forward
>>   declaration)
>> * A pointer to a function
>
>  ... returning an int?

I guess so, because the type on the left is what you get after you use 
each name in an expression in the form that is used in the declaration 
(that was the big idea behind it). These all yield an int value:

  i;
  f();          // can also be written (*f)()
  (*f2)();      // can also be written f2() (or (**f2()))
  *p;           // can also be written p[0] or *(p+0)
  a[0];         // can also be written a[i] or *(a+i)

So they can be written in myriad different ways anyway. But if written 
like this:

  i;     // yields int type
  f;     // yields pointer to function
  f2;    // yields pointer to function
  p;     // yields pointer to int
  a;     // yields pointer to int

the resulting type is usually not an int.

>> * A pointer to an int
>> * An array of int
>
> An array of one int?

Yes. The way I'd write these in my language has the primary type (what 
goes on the left) corresponding more to the second block above rather 
than the first. I think that's more intuitive:

int i
function f:int         # (this declares a function not a type)
ref function:int f2
ref int p
[1]int a               # ('a' yields array not pointer)

-- 
Bartc

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Thread

Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 14:31 +0100
  Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-26 15:45 +0200
    Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 15:22 +0100
      Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-26 16:31 +0200
      Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-27 15:05 -0700
        Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-28 00:42 +0100
          Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-28 09:50 -0700
            Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-28 18:39 +0100
              Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 12:28 +0100
                Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-07 04:36 -0700
              Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 05:31 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 14:00 +0100
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 07:48 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 17:36 +0100
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 10:38 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 19:47 +0100
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 12:25 -0700
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 12:26 -0700
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 13:10 -0700
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 13:22 -0700
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 14:13 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 01:15 +0100
                Re: Why I use gcc James Harris <james.harris.1@gmail.com> - 2016-10-08 10:42 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 11:36 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 14:25 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 15:05 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 16:29 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 17:21 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 16:39 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 16:58 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 21:15 +0100
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-08 11:27 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 20:09 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 21:16 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 21:28 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 01:19 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 01:36 +0100
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-08 09:32 -0700
                Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-10-09 03:44 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 12:07 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 12:12 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 12:37 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 13:57 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 14:32 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 20:00 +0100
                Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-09 13:14 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 22:54 +0100
                Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-10-15 14:40 -0700
                Re: Why I use gcc James Kuyper <jameskuyper@verizon.net> - 2016-10-07 10:37 -0400
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-07 07:52 -0700
                Re: Why I use gcc jameskuyper@verizon.net - 2016-10-07 09:10 -0700
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-07 10:48 -0700
                Re: Why I use gcc jameskuyper@verizon.net - 2016-10-07 16:21 -0700
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-08 11:15 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 17:12 +0100
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 12:20 -0700
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 12:32 -0700
  Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 14:45 +0100
    Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 15:12 +0100
      Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 15:26 +0100
        Re: Why I use gcc supercat@casperkitty.com - 2016-09-26 08:00 -0700
          Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-28 10:49 -0700
        Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 17:30 +0100
          Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-26 21:12 +0200
            Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-26 22:09 +0200
            Re: Why I use gcc supercat@casperkitty.com - 2016-09-26 13:32 -0700
              Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-26 23:14 +0200
                Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 22:47 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 01:13 +0100
                Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-27 01:18 +0100
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-26 17:41 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 02:01 +0100
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-27 08:41 -0700
                Re: Why I use gcc James Harris <james.harris.1@gmail.com> - 2016-09-27 01:41 +0100
                Re: Why I use gcc jameskuyper@verizon.net - 2016-09-26 18:15 -0700
                Re: Why I use gcc Gareth Owen <gwowen@gmail.com> - 2016-09-27 20:59 +0100
                Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-27 21:50 +0100
                Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-28 06:26 -0700
                Re: Why I use gcc gazelle@shell.xmission.com (Kenny McCormack) - 2016-09-27 23:23 +0000
                Re: Why I use gcc Noob <root@127.0.0.1> - 2016-10-08 00:12 +0200
                Re: Why I use gcc James Kuyper <jameskuyper@verizon.net> - 2016-10-07 23:11 -0400
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 10:58 +0100
                Re: Why I use gcc jameskuyper@verizon.net - 2016-10-08 07:07 -0700
                Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-07 21:44 -0700
              Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-27 09:48 +0200
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 11:22 +0100
                Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-27 13:52 +0200
                Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-27 14:47 +0200
                Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-27 15:18 +0200
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 14:38 +0100
                Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-27 17:21 +0200
                Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-27 17:17 +0200
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-27 08:52 -0700
                Re: Why I use gcc Robert Wessel <robertwessel2@yahoo.com> - 2016-09-30 02:00 -0500
                Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 07:18 -0700
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-27 08:46 -0700
                Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 09:11 -0700
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-27 13:33 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 14:13 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-27 15:30 +0100
                Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 08:29 -0700
                Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 07:11 -0700
            Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 21:43 +0100
            Re: Why I use gcc raltbos@xs4all.nl (Richard Bos) - 2016-09-30 17:50 +0000
          Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 01:04 +0100
            Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-26 17:39 -0700
              Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 01:49 +0100
                Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-27 11:39 +0100
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 11:56 +0100
                Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-27 15:15 -0700
                Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-28 08:55 +0200
    Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-26 22:11 +0200
      Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 22:04 +0100
  Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-10 11:39 +0100
    Re: Why I use gcc already5chosen@yahoo.com - 2016-10-10 07:32 -0700
      Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-10-10 16:17 +0100
        Re: Why I use gcc Robert Wessel <robertwessel2@yahoo.com> - 2016-10-10 21:09 -0500
          Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-10-11 04:18 +0100
          Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 10:56 +0100
            Re: Why I use gcc already5chosen@yahoo.com - 2016-10-11 04:08 -0700
              Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 13:36 +0100
                Re: Why I use gcc already5chosen@yahoo.com - 2016-10-11 06:20 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 14:29 +0100
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-11 09:31 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 19:38 +0100
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-11 12:23 -0700
                Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-10-11 23:19 +0200
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 23:26 +0100
                Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-10-12 09:01 +0200
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-12 08:55 -0700
                Re: Why I use gcc already5chosen@yahoo.com - 2016-10-12 10:52 -0700
                Re: Why I use gcc supercat@casperkitty.com - 2016-10-12 12:34 -0700
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-12 13:18 -0700
                Re: Why I use gcc luser droog <luser.droog@gmail.com> - 2016-10-12 13:24 -0700
                Re: Why I use gcc crankypuss <undisclosedUserid@gmail.com> - 2016-10-13 13:31 -0600
                Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-16 03:00 -0700
                Re: Why I use gcc crankypuss <undisclosedUserid@gmail.com> - 2016-10-16 04:46 -0600
                Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-16 04:05 -0700
                Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-11 12:28 -0700
                Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-11 13:24 -0700
                Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 21:28 +0100
                Re: Why I use gcc gazelle@shell.xmission.com (Kenny McCormack) - 2016-10-11 20:43 +0000
                Re: Why I use gcc Robert Wessel <robertwessel2@yahoo.com> - 2016-10-11 23:40 -0500
            Re: Why I use gcc already5chosen@yahoo.com - 2016-10-11 04:40 -0700
      Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-10 18:19 +0100
    Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-10 09:08 -0700
      Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-10 18:04 +0100
        Re: Why I use gcc supercat@casperkitty.com - 2016-10-10 10:39 -0700
        Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-10 11:25 -0700
      Re: Why I use gcc Jerry Stuckle <jstucklex@attglobal.net> - 2016-10-10 17:05 -0400
        Re: Why I use gcc supercat@casperkitty.com - 2016-10-10 14:46 -0700
    Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-15 13:39 +0100
      Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-15 13:40 -0700
        Re: Why I use gcc already5chosen@yahoo.com - 2016-10-15 13:46 -0700

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