/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI"
#ifndef DIAL
static char SCCSID[] = "@(#)dkminor.c 2.3+BNU DKHOST 86/12/02";
#endif
/*
* COMMKIT(TM) Software - Datakit(R) VCS Interface Release 2.0 V1
*/
/*
Return minor device number for a given Datakit device.
The channel number is used since using the minor device returned
by fstat gives wrong results for duplex systems.
*/
#include "dk.h"
GLOBAL
dkminor(fd)
{
struct diocreq iocb;
if (ioctl(fd, DIOCINFO, &iocb) < 0)
return(-1);
return(iocb.req_chmin); /* req_chmin contains channel number */
}