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To: mdean <mdean@best.com>
cc: Julian Elischer <julian@whistle.com>, freebsd-hackers@freebsd.org
Subject: Re: devfs / cdevsw 
In-reply-to: Your message of "Fri, 03 Oct 1997 19:17:46 MST."
             <Pine.SGI.3.95.971003191525.1528A-100000@shellx.best.com> 
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Date: Sat, 04 Oct 1997 17:31:19 +0930
From: Mike Smith <mike@smith.net.au>
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> > These are shell script that will write a driver for you and put 
> > it in the  sources in /usr/src and compile a kernel with your 
> > new driver.. the driver is a skelaton driver that does nothing,
> > but then you can fill out the function.
> 
> I have these, it talks about conf.c in there.
> 
> What does __P() do to a function declaration? I see it in the lkm examples.
> And also in .h files for c library calls apparently (pointing?) to the
> kernel syscalls.

It's archaic junk left over from the days of pre-ANSI compilers.  Use 
it if you are adding to an existing source file (ie. maintain 
consistency), but do not use it in new code.

mike