Date: Mon, 13 Sep 1999 23:56:09 +0100 From: Mark Ovens <mark@ukug.uk.freebsd.org> To: "Michael W. Akers" <mwakers@home.com> Cc: "questions@FreeBSD.ORG" <questions@freebsd.org> Subject: Re: Where's the source Luke? Message-ID: <19990913235609.A276@marder-1> In-Reply-To: <01BEFDE7.E679FEA0@c67050-a.plstn1.sfba.home.com>; from Michael W. Akers on Mon, Sep 13, 1999 at 01:00:04PM -0700 References: <01BEFDE7.E679FEA0@c67050-a.plstn1.sfba.home.com>
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On Mon, Sep 13, 1999 at 01:00:04PM -0700, Michael W. Akers wrote:
> Mark,
> Found it in /usr/src/lib/libstand
Thanks:)
Since it's part of the kernel I figured it would be under /usr/src/sys.
Guess I should have started one level higher.
> 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.
>
> --
> STATE-OF-THE-ART: Any computer you can't afford.
> OBSOLETE: Any computer you own.
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--
STATE-OF-THE-ART: Any computer you can't afford.
OBSOLETE: Any computer you own.
________________________________________________________________
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