Date: Mon, 27 Jul 2009 06:45:13 -0700 (PDT) From: Unga <unga888@yahoo.com> To: Erik Trulsson <ertr1013@student.uu.se> Cc: freebsd-questions@freebsd.org Subject: Re: How to find what symlink points to? Message-ID: <771031.86846.qm@web57007.mail.re3.yahoo.com>
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--- 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
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