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) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 1999-2003 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 /* 32 * An application should not include this header directly. Instead it 33 * should be included only through the inclusion of other Sun headers. 34 * 35 * The contents of this header is limited to identifiers specified in the 36 * C Standard. Any new identifiers specified in future amendments to the 37 * C Standard must be placed in this header. If these new identifiers 38 * are required to also be in the C++ Standard "std" namespace, then for 39 * anything other than macro definitions, corresponding "using" directives 40 * must also be added to <stddef.h.h>. 41 */ 42 43 #ifndef _ISO_STDDEF_ISO_H 44 #define _ISO_STDDEF_ISO_H 45 46 #include <sys/isa_defs.h> 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 #if __cplusplus >= 199711L 53 namespace std { 54 #endif 55 56 #ifndef NULL 57 #if defined(_LP64) 58 #define NULL 0L 59 #else 60 #define NULL 0 61 #endif 62 #endif 63 64 #if !defined(_PTRDIFF_T) || __cplusplus >= 199711L 65 #define _PTRDIFF_T 66 #if defined(_LP64) || defined(_I32LPx) 67 typedef long ptrdiff_t; /* pointer difference */ 68 #else 69 typedef int ptrdiff_t; /* (historical version) */ 70 #endif 71 #endif /* !_PTRDIFF_T */ 72 73 #if !defined(_SIZE_T) || __cplusplus >= 199711L 74 #define _SIZE_T 75 #if defined(_LP64) || defined(_I32LPx) 76 typedef unsigned long size_t; /* size of something in bytes */ 77 #else 78 typedef unsigned int size_t; /* (historical version) */ 79 #endif 80 #endif /* !_SIZE_T */ 81 82 #if __cplusplus >= 199711L 83 } 84 #endif /* end of namespace std */ 85 86 #if __cplusplus >= 199711L 87 #define offsetof(s, m) (std::size_t)(&(((s *)0)->m)) 88 #else 89 #if defined(__GNUC__) 90 #define offsetof(s, m) __builtin_offsetof(s, m) 91 #else 92 #define offsetof(s, m) ((size_t)(&(((s *)0)->m))) 93 #endif 94 #endif 95 96 #ifdef __cplusplus 97 } 98 #endif 99 100 #endif /* _ISO_STDDEF_ISO_H */