Re: Can a variable be both static and extern

From	Richard Heathfield <rjh@cpax.org.uk>
Newsgroups	comp.lang.c
Subject	Re: Can a variable be both static and extern
Date	2017-03-24 18:24 +0000
Organization	Fix this later
Message-ID	<ob3o2p$rak$1@dont-email.me> (permalink)
References	<6e7c0a5e-70aa-4163-b29a-3625ffc541d0@googlegroups.com> <58d50784.12570828@news.xs4all.nl> <ob3gad$var$1@dont-email.me> <ob3gvq$1mg$1@dont-email.me> <ob3i26$5fo$2@dont-email.me>

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On 24/03/17 16:41, David Brown wrote:
> On 24/03/17 17:23, James Kuyper wrote:
>> On 03/24/2017 12:11 PM, David Brown wrote:
>> ...
>>> The question is, are there any real uses of:
>>>
>>> static int foo;
>>> extern int foo;
>>>
>>> in the same translation unit (as different headers if you like) ?
>>>
>>> I can't think of any myself.  I find it odd that this combination is
>>> allowed - I see no good uses for it, and it could easily occur as a
>>> mistake (especially for people who write "extern" declarations directly
>>> in the their C code, rather than just in headers).
>>>
>>> Of course, it could just be my lack of imagination here!
>>
>> It probably is - and I say that while having the same lack of
>> imagination. The relevant clause in the standard serves no other purpose
>> than to define the meaning of this combination of declarations, so it's
>> presence must have been intentional - the committee must have had a
>> reason for approving that wording. I have no idea what that reason was.
>>
>
> Careful - Richard will bite you for arguing by appealing to authority!

Ha, and perhaps ha as well.

Nevertheless, appeals to the Standard are appeals to /appropriate/ 
authority. Appeals to any other authority, no matter how prestigious, 
are fallacious.

-- 
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within

Thread

Can a variable be both static and extern acidlategamer@gmail.com - 2017-03-24 04:23 -0700
  Re: Can a variable be both static and extern Richard Heathfield <rjh@cpax.org.uk> - 2017-03-24 11:40 +0000
    Re: Can a variable be both static and extern acidlategamer@gmail.com - 2017-03-24 04:54 -0700
      Re: Can a variable be both static and extern Richard Heathfield <rjh@cpax.org.uk> - 2017-03-24 12:09 +0000
        Re: Can a variable be both static and extern James Kuyper <jameskuyper@verizon.net> - 2017-03-24 11:45 -0400
          Re: Can a variable be both static and extern raltbos@xs4all.nl (Richard Bos) - 2017-03-25 22:27 +0000
    Re: Can a variable be both static and extern Keith Thompson <kst-u@mib.org> - 2017-03-24 11:35 -0700
  Re: Can a variable be both static and extern Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-03-24 12:11 +0000
  Re: Can a variable be both static and extern raltbos@xs4all.nl (Richard Bos) - 2017-03-24 12:14 +0000
    Re: Can a variable be both static and extern David Brown <david.brown@hesbynett.no> - 2017-03-24 17:11 +0100
      Re: Can a variable be both static and extern scott@slp53.sl.home (Scott Lurndal) - 2017-03-24 16:22 +0000
        Re: Can a variable be both static and extern David Brown <david.brown@hesbynett.no> - 2017-03-24 17:38 +0100
      Re: Can a variable be both static and extern James Kuyper <jameskuyper@verizon.net> - 2017-03-24 12:23 -0400
        Re: Can a variable be both static and extern David Brown <david.brown@hesbynett.no> - 2017-03-24 17:41 +0100
          Re: Can a variable be both static and extern jameskuyper@verizon.net - 2017-03-24 09:57 -0700
          Re: Can a variable be both static and extern supercat@casperkitty.com - 2017-03-24 10:38 -0700
          Re: Can a variable be both static and extern Richard Heathfield <rjh@cpax.org.uk> - 2017-03-24 18:24 +0000
            Re: Can a variable be both static and extern "James R. Kuyper" <jameskuyper@verizon.net> - 2017-03-25 10:47 -0400
              Re: Can a variable be both static and extern Richard Heathfield <rjh@cpax.org.uk> - 2017-03-25 16:48 +0000
                Re: Can a variable be both static and extern Keith Thompson <kst-u@mib.org> - 2017-03-25 10:31 -0700
                Re: Can a variable be both static and extern Richard Heathfield <rjh@cpax.org.uk> - 2017-03-25 18:23 +0000
                Re: Can a variable be both static and extern supercat@casperkitty.com - 2017-03-25 12:28 -0700
                Re: Can a variable be both static and extern Ike Naar <ike@iceland.freeshell.org> - 2017-03-25 19:50 +0000
                Re: Can a variable be both static and extern supercat@casperkitty.com - 2017-03-25 13:20 -0700
                Re: Can a variable be both static and extern jameskuyper@verizon.net - 2017-03-25 10:44 -0700
                Re: Can a variable be both static and extern supercat@casperkitty.com - 2017-03-25 12:13 -0700

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