Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2)

From	Keith Thompson <kst-u@mib.org>
Newsgroups	comp.lang.c
Subject	Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2)
Date	2012-12-15 12:21 -0800
Organization	None to speak of
Message-ID	<ln7gojkqwh.fsf@nuthaus.mib.org> (permalink)
References	<rfvoc8ludt8psl9s51v9re04gvuqhmj36v@4ax.com> <kai17o$sph$1@dont-email.me>

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James Kuyper <jameskuyper@verizon.net> writes:
[...]
> A key point to understand is that commas are NOT always part of a comma
> expression. The parameters of a function declaration and the arguments
> of a function call are separated by commas, and the same is true for
> function-like macros. Commas separate the initializers for the elements
> of an array or members of a structure. A single declaration can declare
> multiple declarators, separated by commas, as in "int a,b;". Commas are
> used to separate the members of a union or enumeration.

How do commas separate the members of a union?

>                                                         Commas are also
> used in _Generic() expressions and _Static_assert() declarations, which
> are new features of C2011, syntactically similar to function calls.
[...]

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
    Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

Thread

comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Test <test@.nil.invalid.com> - 2012-12-15 15:47 +0200
  Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-15 14:05 +0000
    Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-12-15 20:26 +0000
      Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-15 20:47 +0000
        Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Les Cargill <lcargill99@comcast.com> - 2012-12-15 15:34 -0600
          Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-12-16 03:23 -0800
        Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Shao Miller <sha0.miller@gmail.com> - 2012-12-15 16:37 -0500
          Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-15 22:10 +0000
            Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Shao Miller <sha0.miller@gmail.com> - 2012-12-15 17:32 -0500
              Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-15 15:43 -0800
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Shao Miller <sha0.miller@gmail.com> - 2012-12-16 02:15 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-16 14:21 -0800
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Shao Miller <sha0.miller@gmail.com> - 2012-12-16 18:34 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-17 01:15 -0800
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-17 10:30 -0800
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-17 16:07 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-17 08:13 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-17 10:33 -0800
              Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-16 01:24 +0000
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Shao Miller <sha0.miller@gmail.com> - 2012-12-16 02:19 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-16 13:11 +0000
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Shao Miller <sha0.miller@gmail.com> - 2012-12-16 14:51 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-16 21:16 +0000
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-17 00:55 -0800
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-17 15:08 +0000
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-20 10:40 -0800
        Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-12-15 22:09 +0000
  Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-12-15 06:11 -0800
    Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Les Cargill <lcargill99@comcast.com> - 2012-12-15 13:26 -0600
  Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) James Kuyper <jameskuyper@verizon.net> - 2012-12-15 09:24 -0500
    Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-15 12:21 -0800
      Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) James Kuyper <jameskuyper@verizon.net> - 2012-12-15 16:42 -0500
      Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Philip Lantz <prl@canterey.us> - 2012-12-16 00:09 -0800
        Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) James Kuyper <jameskuyper@verizon.net> - 2012-12-16 08:46 -0500
          Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-16 14:29 -0800
  Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-16 10:30 -0500
  Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2012-12-17 12:42 +0200
    Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2012-12-17 23:07 +0200
      Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-17 19:31 -0500
        Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-18 01:32 +0000
          Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-17 20:53 -0500
            Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-18 02:29 +0000
              Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-18 05:48 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-12-18 11:26 +0000
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-20 16:20 -0500
                Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Keith Thompson <kst-u@mib.org> - 2012-12-18 03:44 -0800
            Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) James Kuyper <jameskuyper@verizon.net> - 2012-12-17 22:13 -0500
              Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-18 05:40 -0500
        Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2012-12-20 15:14 +0200
          Re: comma in a c statement, ie for(i=0,i2=0;i<10;i++,i2) pete <pfiland@mindspring.com> - 2012-12-20 16:31 -0500

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