Date: Mon, 15 Jan 2001 16:49:03 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: freebsd-hackers@freebsd.org Subject: ioctl question Message-ID: <20010115164903.A4620@Odin.AC.HMC.Edu>
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I've got a probably stupid question about ioctls. I need to add a pair
of them for network iterfaces and I've figured out how the _IO{R,W,RW}
macros work, but I can't seem to figure out how you choose the unique
number you pass to them. Is there a central table somewhere or do you
actually have to grep /usr/src/sys to find the largest one? On a
temporary basis, I just stole the numbers of an ioctl my changes are
obsoleting, but since that breaks code I don't have the hardware to test
fixes for, it's not going to cut it for an actual release.
Thanks,
Brooks
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