allow ffs & co. a binary search

[Ian Lepore]

On Thu, 2015-06-11 at 15:21 +0800, Erich Dollansky wrote:
> Hi Hans,
> 
> On Sun, 07 Jun 2015 08:53:18 +0200
> Hans Petter Selasky <hps at selasky.org> wrote:
> 
> > On 06/07/15 02:13, Erich Dollansky wrote:
> > >
> > > /*
> > >   * Find First Set bit
> > >   */
> > > int
> > > ffs(int mask)
> > > {
> 
> as I would replace all except of what I have left above, I think that
> the copyright notice also should be changed. Whom should I place in
> there? I think using my name for a simple thing like this is a bit
> overdone.
> 

Is there any reason that this whole change, userland and kernel, isn't
just:

#define ffs(n) __builtin_ffs(n)

?

-- Ian