Re: _IOWR

From: M. Warner Losh <imp_at_bsdimp.com>
Date: Sun, 13 Mar 2005 15:17:35 -0700 (MST)
In message: <4234849A.90505_at_authtec.com>
            sam wun <sam.wun_at_authtec.com> writes:
: I have a special  hardware would like to integrate with FreeBSD. I most 
: probably need to write a driver for it.
: As I look thru some device driver code, I found this function/macro 
: _IOWR() written in may places of the driver code.
: Where can I find how does this macro/function defined in FreeBSD?

sys/ioccom.h

Warner
Received on Sun Mar 13 2005 - 21:17:54 UTC

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