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Annotation of src/include/stddef.h, Revision 1.6

1.6     ! millert     1: /*     $OpenBSD: stddef.h,v 1.5 2002/10/25 21:55:28 millert Exp $      */
1.1       deraadt     2: /*     $NetBSD: stddef.h,v 1.4 1994/10/26 00:56:26 cgd Exp $   */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1990 The Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.6     ! millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)stddef.h    5.5 (Berkeley) 4/3/91
                     33:  */
                     34:
                     35: #ifndef _STDDEF_H_
                     36: #define _STDDEF_H_
                     37:
                     38: #include <machine/ansi.h>
                     39:
                     40: typedef        _BSD_PTRDIFF_T_ ptrdiff_t;
                     41:
                     42: #ifdef _BSD_SIZE_T_
                     43: typedef        _BSD_SIZE_T_    size_t;
                     44: #undef _BSD_SIZE_T_
                     45: #endif
                     46:
                     47: #ifdef _BSD_WCHAR_T_
1.4       espie      48: /* in C++, wchar_t is a built-in type */
                     49: #ifndef __cplusplus
1.1       deraadt    50: typedef        _BSD_WCHAR_T_   wchar_t;
                     51: #undef _BSD_WCHAR_T_
1.4       espie      52: #endif
1.1       deraadt    53: #endif
                     54:
                     55: #ifndef        NULL
1.3       espie      56: #ifdef         __GNUG__
                     57: #define NULL   __null
                     58: #else
1.5       millert    59: #define        NULL    0L
1.3       espie      60: #endif
1.1       deraadt    61: #endif
                     62:
                     63: #define        offsetof(type, member)  ((size_t)(&((type *)0)->member))
                     64:
                     65: #endif /* _STDDEF_H_ */