On Wed, 16 May 2001, Warner Losh wrote:

> In message <[EMAIL PROTECTED]> Brian Somers writes:
> : How should this be done - and where should I install digiio.h if 
> : that's what's required ?
> I think that ppi device sets the standard here.  It installs into
> /usr/include/dev/ppi/ppi*.h.  digiio should likely do the same.

Ugh.  ppi (actually ppbus) sets a bad example.  A /usr/include/dev
tree with an average of 1+epsilon files per directory is even worse
than a /sys/dev tree with an average of about 3 files per directory
(not counting 4 CVS files per directory).  ppbus actually installs a
lot of kernel-only headers so /sys/dev/ppbus is not all that small.

Most headers that define ioctls are in <sys>.  I think there should
be at most one directory for ioctl headers and it shouldn't be a subdir
of /usr/include/sys (/usr/include/sys/dev doesn't even reflect the
kernel tree).


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