From: Josh Boyer <jdub@us.ibm.com>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: krishna <krishna.c@globaledgesoft.com>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: what does __foo means.
Date: Tue, 07 Dec 2004 07:08:39 -0600 [thread overview]
Message-ID: <1102424919.4118.2.camel@weaponx.rchland.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0412071354060.16729@yvahk01.tjqt.qr>
On Tue, 2004-12-07 at 06:54, Jan Engelhardt wrote:
> >Hi all,
> >
> > Can anyone tell me does double underscore before a function mean?
> > In which scenario a programmer must use it.
>
> From the POV of a compiler, _ is like [a-z]. The programmer may use it freely.
Yes, yes, but I don't think that was the question :).
In the kernel a function that begins with __ usually denotes an internal
function for that file or subsystem. Not always, but usually.
josh
next prev parent reply other threads:[~2004-12-07 13:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-07 12:45 krishna
2004-12-07 12:54 ` Jan Engelhardt
2004-12-07 13:08 ` Josh Boyer [this message]
2004-12-07 13:11 ` bert hubert
2004-12-07 15:29 ` Jörn Engel
[not found] <fa.gd7ov5r.1n64a8t@ifi.uio.no>
2004-12-07 15:52 ` Bodo Eggert
2004-12-07 22:52 ` Kyle Moffett
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