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Date:      Mon, 13 Sep 1999 13:00:04 -0700
From:      "Michael W. Akers" <mwakers@home.com>
To:        "questions@FreeBSD.ORG" <questions@FreeBSD.ORG>, 'Mark Ovens' <mark@dogma.freebsd-uk.eu.org>
Subject:   RE: Where's the source Luke?
Message-ID:  <01BEFDE7.E679FEA0@c67050-a.plstn1.sfba.home.com>

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Mark,
Found it in /usr/src/lib/libstand
Mike Akers
M. Akers Enterprises


----------
From:  Mark Ovens [SMTP:mark@dogma.freebsd-uk.eu.org]
Sent:  Monday, September 13, 1999 12:08 PM
To:  questions@FreeBSD.ORG
Subject:  Where's the source Luke?

Can someone tell me where to find the source code for ioctl()? I've
searched all the .c files under /usr/src/sys and have found plenty
of functions called xxxx_ioctl, e.g. kbd_ioctl(), but not a plain
``ioctl()''.

I'm beginning to think that a call to ioctl() gets mapped to some
function specific to the device.

The particular instance I'm interested in is in video_mode() in
vidcontrol.c:

        if (*index < argc) {
                for (i = 0; modes[i].name != NULL; ++i) {
                        if (!strcmp(argv[*index], modes[i].name)) {
                                mode = modes[i].mode;
                                break;
                        }
                }

	if (modes[i].name == NULL)
		return;
=====>> if (ioctl(0, mode, NULL) < 0) <<===============
		warn("cannot set videomode");

Thanks.

-- 
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OBSOLETE: Any computer you own.
________________________________________________________________
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