public inbox for gcc-help@gcc.gnu.org
 help / color / mirror / Atom feed
From: "Brendan Murray" <bpmurray@nospam.mediaone.net>
To: help-gcc@gnu.org
Subject: Re: Declaring variables mid-function
Date: Sat, 18 Dec 1999 17:44:00 -0000	[thread overview]
Message-ID: <kLW64.3884$su3.135653@wbnws01.ne.mediaone.net> (raw)
In-Reply-To: <dhV64.1216$QU1.6733@newsfeed.slurp.net>

> {
> int fubar;
> for (fubar=0; fubar<bar; fubar++)
> printf("completely fooed\n");
> }
> }
>
> should compile. I believe that fubar is at least lexically visible to the
> end of the function, unlike some languages where the scope would be
strictly
> the block.
>

Nope - once you hit the enclosing "}", fubar's toast. In C, variables have
scope only at the level in which they have been declared; in this case
that's within the block, not to the end of the function.

B=


WARNING: multiple messages have this Message-ID
From: "Brendan Murray" <bpmurray@nospam.mediaone.net>
To: help-gcc@gnu.org
Subject: Re: Declaring variables mid-function
Date: Fri, 31 Dec 1999 22:24:00 -0000	[thread overview]
Message-ID: <kLW64.3884$su3.135653@wbnws01.ne.mediaone.net> (raw)
Message-ID: <19991231222400.1ViacwUwne2H1qrVu2pV-KZFHfGDewtq6Swcj5KryHc@z> (raw)
In-Reply-To: <dhV64.1216$QU1.6733@newsfeed.slurp.net>

> {
> int fubar;
> for (fubar=0; fubar<bar; fubar++)
> printf("completely fooed\n");
> }
> }
>
> should compile. I believe that fubar is at least lexically visible to the
> end of the function, unlike some languages where the scope would be
strictly
> the block.
>

Nope - once you hit the enclosing "}", fubar's toast. In C, variables have
scope only at the level in which they have been declared; in this case
that's within the block, not to the end of the function.

B=


  reply	other threads:[~1999-12-18 17:44 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-12-18 15:01 Shawn
1999-12-18 15:52 ` llewelly
1999-12-31 22:24   ` llewelly
1999-12-18 15:56 ` Jamie Walker
1999-12-18 16:11   ` bowman
1999-12-18 17:44     ` Brendan Murray [this message]
1999-12-31 22:24       ` Brendan Murray
1999-12-21  9:19     ` Arthur Gold
1999-12-31 22:24       ` Arthur Gold
1999-12-31 22:24     ` bowman
1999-12-19  4:01   ` David Wragg
1999-12-19 12:15     ` Jamie Walker
1999-12-31 22:24       ` Jamie Walker
1999-12-31 22:24     ` David Wragg
1999-12-31 22:24   ` Jamie Walker
1999-12-18 16:02 ` Erik de Castro Lopo
1999-12-31 22:24   ` Erik de Castro Lopo
1999-12-31 22:24 ` Shawn

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='kLW64.3884$su3.135653@wbnws01.ne.mediaone.net' \
    --to=bpmurray@nospam.mediaone.net \
    --cc=help-gcc@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).