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Groups > comp.lang.c > #12921

Re: Array of Integers ?

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: Array of Integers ?
Date 2011-11-08 14:25 -0800
Organization None to speak of
Message-ID <ln39dyckvp.fsf@nuthaus.mib.org> (permalink)
References <4eb8df96$0$281$14726298@news.sunsite.dk> <j9aocd$9b5$1@speranza.aioe.org> <f5be4501-1991-4e7d-b64a-3421b093dc67@s35g2000pra.googlegroups.com> <0.cd3507adf735dc30bb32.20111108214558GMT.87fwhy47ah.fsf@bsb.me.uk> <4EB9A3BD.4040907@verizon.net>

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James Kuyper <jameskuyper@verizon.net> writes:
> On 11/08/2011 04:45 PM, Ben Bacarisse wrote:
> ...
>> This is unlike the behaviour of many other types in C.  Given
>> 
>>   int i = 42;
>>   struct point { int x, y; } p = { 1, 2 };
>>   int ia[5] = { 1, 2, 3, 4, 5 };
>> 
>> the expression 'i' denotes the value of i, and the expression 'p'
>> denotes the value of p.  You can't do this with an array.  The
>> expression 'ia' does not denote the array named ia -- it is an
>> expression of type pointer to int.
>> 
>> It's a moot point whether the sub-expression 'ia' denotes the array in
>> the expression 'sizeof ia'.  I'd go with "no" since the sub-expression
>> is not evaluated.
>
> How about in &ia?

It refers to the array object.  It doesn't refer to the value of that
object.  (I maintain that it does have a value (see my other followup),
but it's not used here.)

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

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Thread

Array of Integers ? arnuld <sunrise@invalid.address> - 2011-11-08 07:51 +0000
  Re: Array of Integers ? Ike Naar <ike@iceland.freeshell.org> - 2011-11-08 08:11 +0000
  Re: Array of Integers ? jacob navia <jacob@spamsink.net> - 2011-11-08 09:14 +0100
    Re: Array of Integers ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-08 00:23 -0800
      Re: Array of Integers ? pete <pfiland@mindspring.com> - 2011-11-08 04:07 -0500
    Re: Array of Integers ? tom st denis <tom@iahu.ca> - 2011-11-08 06:23 -0800
      Re: Array of Integers ? "Scott Fluhrer" <sfluhrer@ix.netcom.com> - 2011-11-08 10:08 -0500
      Re: Array of Integers ? Noob <root@127.0.0.1> - 2011-11-08 16:25 +0100
        Re: Array of Integers ? bks@panix.com (Bradley K. Sherman) - 2011-11-08 15:39 +0000
        Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-08 13:48 -0800
          Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-09 19:34 -0800
      Re: Array of Integers ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-08 06:59 -0800
      Re: Array of Integers ? jacob navia <jacob@spamsink.net> - 2011-11-08 22:48 +0100
    Re: Array of Integers ? Chad <cdalten@gmail.com> - 2011-11-08 07:12 -0800
      Re: Array of Integers ? pete <pfiland@mindspring.com> - 2011-11-08 11:49 -0500
      Re: Array of Integers ? James Kuyper <jameskuyper@verizon.net> - 2011-11-08 12:13 -0500
      Re: Array of Integers ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-08 21:45 +0000
        Re: Array of Integers ? James Kuyper <jameskuyper@verizon.net> - 2011-11-08 16:48 -0500
          Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-08 14:25 -0800
          Re: Array of Integers ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-08 22:42 +0000
        Re: Array of Integers ? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-11-10 12:01 +0200
          Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-10 03:14 -0800
            Re: Array of Integers ? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-11-10 17:41 +0200
              Re: Array of Integers ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-10 16:44 +0000
                Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-10 10:59 -0800
                Re: Array of Integers ? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-11-11 17:49 +0200
      Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-08 14:00 -0800
        Re: Array of Integers ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-09 00:57 +0000
          Re: Array of Integers ? pete <pfiland@mindspring.com> - 2011-11-09 00:05 -0500
            Re: Array of Integers ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-09 11:06 +0000
              Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-09 13:36 -0800
                Re: Array of Integers ? Tim Rentsch <txr@alumni.caltech.edu> - 2012-01-25 00:45 -0800
                Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2012-01-25 02:56 -0800
              Re: Array of Integers ? pete <pfiland@mindspring.com> - 2011-11-09 18:34 -0500
                Re: Array of Integers ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-10 00:57 +0000
          Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-08 22:14 -0800
            Re: Array of Integers ? Tim Rentsch <txr@alumni.caltech.edu> - 2012-01-25 01:46 -0800
  Re: Array of Integers ? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-11-08 01:39 -0800
    Re: Array of Integers ? Keith Thompson <kst-u@mib.org> - 2011-11-08 14:05 -0800
  Re: Array of Integers ? James Kuyper <jameskuyper@verizon.net> - 2011-11-08 06:19 -0500

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