From owner-freebsd-questions@FreeBSD.ORG  Mon Jul 27 13:45:15 2009
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 2B5F7106566B
	for <freebsd-questions@freebsd.org>;
	Mon, 27 Jul 2009 13:45:15 +0000 (UTC)
	(envelope-from unga888@yahoo.com)
Received: from web57007.mail.re3.yahoo.com (web57007.mail.re3.yahoo.com
	[66.196.97.111]) by mx1.freebsd.org (Postfix) with SMTP id 747498FC21
	for <freebsd-questions@freebsd.org>;
	Mon, 27 Jul 2009 13:45:14 +0000 (UTC)
	(envelope-from unga888@yahoo.com)
Received: (qmail 56434 invoked by uid 60001); 27 Jul 2009 13:45:13 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024;
	t=1248702313; bh=yAGGPT1H1yRA/AurUJGPab+khkF3vreep+26Z2gND0o=;
	h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:MIME-Version:Content-Type;
	b=zrPANU6XlzqPkjmDvbeQy9DubNPzRjBkB2cCI8j6hAerWGzpb0hyJ2JGzbnrts/WcIq6qoDSkCGeCdlyOyBOfjuUW4LUq4evDGILwzFofXM6NVT9jilEIhpE/Hv0skM+syNsWSTijhvhxyfLMZiaTy3d2kb7ZoI9Vlt4wsJBk9E=
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com;
	h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:MIME-Version:Content-Type;
	b=DATIkY8p7v/q2EGYZTK5AZe2VOwfKIAYh9iEgzjdrScNhpW5PIMF3uZGXYdSOGVNNQjna7OwhBMuO0F7fgSOQxCphw5OUJ0Wxq+kyQeI1JSnNjJOCWIKOrTZB5bGYl+N0NsS3UiF3QEOEruQyZT+2/Z+IRMbySej9YERY8wNrko=;
Message-ID: <771031.86846.qm@web57007.mail.re3.yahoo.com>
X-YMail-OSG: n71AVl8VM1mhOaflL7s1EnE1iTKT1CBtBVnogUPrd0J13i2QAI7_2VV50lW0f38P___pAA0EtWLw4ZHcQYchUxIfS.NYjMSSYdrdfq6yaSqAO2iGWMoZrSqt6nrvFiKsWImVEdJ1aCVyXx2HJ6_CXPJqGxSKteVqXT2.XuN3rfjKo6jePHH7ve9gjUgZGNEsn9TjNXimDyO5CCTbHIHyplxfsqocsOwFRwabxJ6i1zplPc3U0bFWQq4kxJ.Gf97k1Nd1ILg1ptTMEqA3SMsAwGtEj7o.AZBpkBscUlkyXP0R
Received: from [220.255.7.135] by web57007.mail.re3.yahoo.com via HTTP;
	Mon, 27 Jul 2009 06:45:13 PDT
X-Mailer: YahooMailClassic/5.4.17 YahooMailWebService/0.7.289.15
Date: Mon, 27 Jul 2009 06:45:13 -0700 (PDT)
From: Unga <unga888@yahoo.com>
To: Erik Trulsson <ertr1013@student.uu.se>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: freebsd-questions@freebsd.org
Subject: Re: How to find what symlink points to?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 27 Jul 2009 13:45:15 -0000


--- On Mon, 7/27/09, Erik Trulsson <ertr1013@student.uu.se> wrote:

> From: Erik Trulsson <ertr1013@student.uu.se>
> Subject: Re: How to find what symlink points to?
> To: "Unga" <unga888@yahoo.com>
> Cc: freebsd-questions@freebsd.org
> Date: Monday, July 27, 2009, 9:36 PM
> On Mon, Jul 27, 2009 at 05:44:59AM
> -0700, Unga wrote:
> > 
> > Hi all
> > 
> > I need to remove some unwanted symlinks on /dev using
> a C program.
> > 
> > The "struct dirent" only shows the symlink name, how
> do I find what that
> > symlink points to for verification purpose?
> 
> By using the readlink(2) system call.
> 

But readlink(2) fails with errno set to 2. Can readlink(2) use with dev nodes?

Unga