1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)stddef.h 8.1 (Berkeley) 6/2/93 34 */ 35 36 #ifndef _STDDEF_H_ 37 #define _STDDEF_H_ 38 39 #include <machine/ansi.h> 40 41 typedef _BSD_PTRDIFF_T_ ptrdiff_t; 42 43 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 44 #ifdef _BSD_RUNE_T_ 45 typedef _BSD_RUNE_T_ rune_t; 46 #undef _BSD_RUNE_T_ 47 #endif 48 #endif 49 50 #ifdef _BSD_SIZE_T_ 51 typedef _BSD_SIZE_T_ size_t; 52 #undef _BSD_SIZE_T_ 53 #endif 54 55 #ifdef _BSD_WCHAR_T_ 56 typedef _BSD_WCHAR_T_ wchar_t; 57 #undef _BSD_WCHAR_T_ 58 #endif 59 60 #ifndef NULL 61 #define NULL 0 62 #endif 63 64 #define offsetof(type, member) ((size_t)(&((type *)0)->member)) 65 66 #endif /* _STDDEF_H_ */ 67