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From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: link question
Date: Wed, 29 Jun 2011 11:40:40 -0700	[thread overview]
Message-ID: <20110629184040.GA18539@kroah.com> (raw)
In-Reply-To: <4E0B629E.6030302@tysdomain.com>

On Wed, Jun 29, 2011 at 11:36:30AM -0600, Littlefield, Tyler wrote:
> I have a quick question; this is something I haven't been able to figure 
> out. By using the kernel headers you can call functions that are defined 
> in the kernel,

>From userspace?  No you can't.  You need to use glibc or something else.

The kernel is not a library, the only way to interact with it from
userspace is by making system calls.  You can use glibc or some libc to
make those system calls for you through other functions, or you can call
them "raw" if you really know what you are doing.

Hope this helps,

greg k-h

  parent reply	other threads:[~2011-06-29 18:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-29 17:36 link question Littlefield, Tyler
2011-06-29 17:46 ` Mulyadi Santosa
2011-06-29 17:56   ` Littlefield, Tyler
2011-06-29 18:40 ` Greg KH [this message]
2011-06-29 20:05   ` Guillaume Knispel
2011-06-29 21:10 ` Greg Freemyer

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