From: Helge Hafting <helgehaf@aitel.hist.no>
To: Lei Yang <lya755@ece.northwestern.edu>
Cc: linux-os@analogic.com, linux-kernel@vger.kernel.org
Subject: Re: loopback on block device
Date: Thu, 28 Oct 2004 11:48:51 +0200 [thread overview]
Message-ID: <20041028094851.GC13523@hh.idb.hist.no> (raw)
In-Reply-To: <417FFA38.8000602@ece.northwestern.edu>
On Wed, Oct 27, 2004 at 02:42:48PM -0500, Lei Yang wrote:
> Why /dev/ram0 is a file? Can you get into more details? For example, if
> I want to do some system level programming and write to a /dev/ram0, how
> do I do it?
>
I don't think you need an example. You can open it in exactly
the same way as you open regular files like /etc/resolv.conf.
ie.
FILE *f = fopen("/dev/ram0", "rw");
Then use fseek, fwrite and fread as usual.
Helge Hafting
prev parent reply other threads:[~2004-10-28 9:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-27 18:20 loopback on block device Lei Yang
2004-10-27 18:29 ` Lei Yang
2004-10-28 0:31 ` Al Viro
2004-10-27 18:58 ` linux-os
2004-10-27 19:42 ` Lei Yang
2004-10-28 9:48 ` Helge Hafting [this message]
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