xref: /onnv-gate/usr/src/lib/libbc/inc/include/sys/sysmacros.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1986 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*      Copyright (c) 1984 AT&T */
28*0Sstevel@tonic-gate /*        All Rights Reserved   */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * Portions of this source code were derived from Berkeley 4.3 BSD
32*0Sstevel@tonic-gate  * under license from the Regents of the University of California.
33*0Sstevel@tonic-gate  */
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate /*
38*0Sstevel@tonic-gate  * Major/minor device constructing/busting macros.
39*0Sstevel@tonic-gate  */
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate #ifndef _sys_sysmacros_h
42*0Sstevel@tonic-gate #define _sys_sysmacros_h
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate /* major part of a device */
45*0Sstevel@tonic-gate #define	major(x)	((int)(((unsigned)(x)>>8)&0377))
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate /* minor part of a device */
48*0Sstevel@tonic-gate #define	minor(x)	((int)((x)&0377))
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate /* make a device number */
51*0Sstevel@tonic-gate #define	makedev(x,y)	((dev_t)(((x)<<8) | (y)))
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate #endif /*!_sys_sysmacros_h*/
54