usr/src/stand/lib/sa/stddef.h

   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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SA_STDDEF_H
  27 #define _SA_STDDEF_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 /*
  32  * Exported interfaces for standalone's subset of libc's <stddef.h>.
  33  * All standalone code *must* use this header rather than libc's.
  34  */
  35
  36 #ifdef  __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #ifndef NULL
  41 #define NULL    0
  42 #endif
  43
  44 #ifndef offsetof
  45 #define offsetof(s, m)  (size_t)(&(((s *)0)->m))
  46 #endif
  47
  48 #ifdef  __cplusplus
  49 }
  50 #endif
  51
  52 #endif /* _SA_STDDEF_H */