usr/src/cmd/sh/setbrk.c

   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 }