xref: /titanic_51/usr/src/cmd/sh/setbrk.c (revision 1bdd6c0e3710e91cb1f31aa78de33cb638494480)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright (c) 1996, by Sun Microsystems, Inc.
28  * All rights reserved.
29  */
30 
31 #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.8.1.1	*/
32 /*
33  *	UNIX shell
34  */
35 
36 #include	"defs.h"
37 
38 
39 unsigned char*
40 setbrk(incr)
41 int incr;
42 {
43 
44 	register unsigned char *a = (unsigned char *)sbrk(incr);
45 
46 	brkend = a + incr;
47 	return(a);
48 }
49