Date: Wed, 26 Jun 1996 20:52:44 -0400
From: dj (DJ Delorie)
Message-Id: <199606270052.UAA18368@delorie.com>
To: lav AT video DOT yars DOT free DOT net
CC: Demmer AT LStM DOT Ruhr-Uni-Bochum DOT De, eliz AT is DOT elta DOT co DOT il, djgpp AT delorie DOT com
In-reply-to: <199606261344.RAA00460@video.yars.free.net> (lav@video.yars.free.net)
Subject: Re: FSE, some questions


> As about ioctl, I think it would be reasonable to distinguish
> between unix-like ioctl and dos one. What about _dos_ioctl?

I think a better way is to code unix ioctl commands with bit patterns
that are obviously not dos's commands, and detect the difference
inside ioctl() itself.  Since dos is 16-bit and djgpp is 32-bit,
setting any of the high 16 bits should do the trick.