From: Wayne Wu <techunter@gmail.com>
To: linux-c-programming@vger.kernel.org
Subject: Re: #include problem
Date: Sun, 7 Nov 2004 03:39:40 +0000 (UTC) [thread overview]
Message-ID: <loom.20041107T043719-733@post.gmane.org> (raw)
In-Reply-To: 200410151648.i9FGmlqM026477@students.fct.unl.pt
C-16 <pmr17184 <at> students.fct.unl.pt> writes:
>
> Howdy,
> i have a file main.c in my program that needs to include four headers
> aaa.h , bbb.h ,ccc.h and ddd.h . Each one of these headers need to
> include another header xxx.h . With this implementation i get a
> "redefinition" compilation error. How can i solve this problem ? Thanks
> in advance.
> -
>
>
you should use define a macro in xxx.h, for example __XXX_H_
then use the following codes in other headr files:
#ifndef __XXX_H_
#include "xxx.h"
#endif
next prev parent reply other threads:[~2004-11-07 3:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-15 16:48 #include problem C-16
2004-10-15 17:04 ` Eric Bambach
2004-10-15 17:04 ` pdovera
2004-10-15 17:12 ` Eric Bambach
2004-10-15 21:15 ` Jan-Benedict Glaw
2004-10-18 7:03 ` Ranga Makireddy
2004-11-07 3:39 ` Wayne Wu [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-10-15 16:55 Huber, George K RDECOM CERDEC STCD SRI
2004-10-15 17:29 C-16
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=loom.20041107T043719-733@post.gmane.org \
--to=techunter@gmail.com \
--cc=linux-c-programming@vger.kernel.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 NNTP newsgroup(s).