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Groups > comp.lang.c > #143038

Re: Scopes of identifiers

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: Scopes of identifiers
Date 2019-04-11 14:31 -0700
Organization None to speak of
Message-ID <ln36mo2pqd.fsf@kst-u.example.com> (permalink)
References <098da5fe-31d3-47b7-b695-d4faea10b366@googlegroups.com> <07db382c-2c22-4617-b643-906da26d5cd4@googlegroups.com>

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John Bode <jfbode1029@gmail.com> writes:
[...]
> There are four _name spaces_:
>
> 1.  Labels (disambiguated by a leading 'goto' keyword or trailing ':');
> 2. Struct, union, and enum _tag names_ (disambiguated by a preceding 'struct', 'union', or 
>     'enum' keyword);
> 3. Struct and union _member names_ (disambiguated by an identifier followed by either 
>     a '.' or '->' operator);
> 4. All other identifiers.

A small correction: a member name can be preceded by an expression
(more precisely a postfix-expression) followed by a "." or "->",
not just an identifier.  For example `function_call().member` or
`array[index]->member` is valid.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */

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Thread

Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-10 16:15 -0700
  Re: Scopes of identifiers Bart <bc@freeuk.com> - 2019-04-11 00:33 +0100
    Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-10 16:45 -0700
    Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-10 18:31 -0700
  Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-10 16:34 -0700
    Re: Scopes of identifiers Robert Wessel <robertwessel2@yahoo.com> - 2019-04-10 20:50 -0500
    Re: Scopes of identifiers James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-04-10 20:02 -0700
    Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-10 20:58 -0700
      Re: Scopes of identifiers luser droog <luser.droog@gmail.com> - 2019-04-10 21:48 -0700
      Re: Scopes of identifiers Andrey Tarasevich <andreytarasevich@hotmail.com> - 2019-04-11 11:57 -0700
        Re: Scopes of identifiers scott@slp53.sl.home (Scott Lurndal) - 2019-04-11 19:12 +0000
          Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-11 12:35 -0700
            Re: Scopes of identifiers Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-04-12 01:11 +0100
              Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-12 05:29 -0700
                Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-12 05:39 -0700
        Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-11 14:00 -0700
          Re: Scopes of identifiers Nick Bowler <nbowler@draconx.ca> - 2019-04-15 19:48 +0000
    Re: Scopes of identifiers Bart <bc@freeuk.com> - 2019-04-11 10:36 +0100
      Re: Scopes of identifiers Bart <bc@freeuk.com> - 2019-04-11 14:25 +0100
        Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-11 10:20 -0700
    Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-11 05:00 -0700
    Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-11 06:42 -0700
      Re: Scopes of identifiers James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-04-11 08:11 -0700
  Re: Scopes of identifiers BGB <cr88192@gmail.com> - 2019-04-10 22:35 -0500
    Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-10 22:04 -0700
      Re: Scopes of identifiers BGB <cr88192@gmail.com> - 2019-04-11 05:46 -0500
  Re: Scopes of identifiers John Bode <jfbode1029@gmail.com> - 2019-04-11 12:04 -0700
    Re: Scopes of identifiers James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-04-11 13:18 -0700
    Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-11 14:31 -0700
  Re: Scopes of identifiers Andrey Tarasevich <andreytarasevich@hotmail.com> - 2019-04-11 12:28 -0700
    Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-11 12:50 -0700
    Re: Scopes of identifiers James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-04-11 14:20 -0700
      Re: Scopes of identifiers Thiago Adams <thiago.adams@gmail.com> - 2019-04-11 14:43 -0700
      Re: Scopes of identifiers Andrey Tarasevich <andreytarasevich@hotmail.com> - 2019-04-11 15:04 -0700
        Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-11 17:08 -0700
          Re: Scopes of identifiers Andrey Tarasevich <andreytarasevich@hotmail.com> - 2019-04-11 18:45 -0700
            Re: Scopes of identifiers James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-04-11 23:16 -0400
            Re: Scopes of identifiers Keith Thompson <kst-u@mib.org> - 2019-04-11 20:19 -0700
            Re: Scopes of identifiers Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-04-12 14:39 -0700
            Re: Scopes of identifiers Ike Naar <ike@sdf.lonestar.org> - 2019-04-13 20:02 +0000
      Re: Scopes of identifiers James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-04-11 23:26 -0400

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