1*404b540aSrobert /* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004 2*404b540aSrobert Free Software Foundation, Inc. 3*404b540aSrobert 4*404b540aSrobert This file is part of GCC. 5*404b540aSrobert 6*404b540aSrobert GCC is free software; you can redistribute it and/or modify 7*404b540aSrobert it under the terms of the GNU General Public License as published by 8*404b540aSrobert the Free Software Foundation; either version 2, or (at your option) 9*404b540aSrobert any later version. 10*404b540aSrobert 11*404b540aSrobert GCC is distributed in the hope that it will be useful, 12*404b540aSrobert but WITHOUT ANY WARRANTY; without even the implied warranty of 13*404b540aSrobert MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*404b540aSrobert GNU General Public License for more details. 15*404b540aSrobert 16*404b540aSrobert You should have received a copy of the GNU General Public License 17*404b540aSrobert along with GCC; see the file COPYING. If not, write to 18*404b540aSrobert the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19*404b540aSrobert Boston, MA 02110-1301, USA. */ 20*404b540aSrobert 21*404b540aSrobert /* As a special exception, if you include this header file into source 22*404b540aSrobert files compiled by GCC, this header file does not by itself cause 23*404b540aSrobert the resulting executable to be covered by the GNU General Public 24*404b540aSrobert License. This exception does not however invalidate any other 25*404b540aSrobert reasons why the executable file might be covered by the GNU General 26*404b540aSrobert Public License. */ 27*404b540aSrobert 28*404b540aSrobert /* 29*404b540aSrobert * ISO C Standard: 7.17 Common definitions <stddef.h> 30*404b540aSrobert */ 31*404b540aSrobert #if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \ 32*404b540aSrobert && !defined(__STDDEF_H__)) \ 33*404b540aSrobert || defined(__need_wchar_t) || defined(__need_size_t) \ 34*404b540aSrobert || defined(__need_ptrdiff_t) || defined(__need_NULL) \ 35*404b540aSrobert || defined(__need_wint_t) 36*404b540aSrobert 37*404b540aSrobert /* Any one of these symbols __need_* means that GNU libc 38*404b540aSrobert wants us just to define one data type. So don't define 39*404b540aSrobert the symbols that indicate this file's entire job has been done. */ 40*404b540aSrobert #if (!defined(__need_wchar_t) && !defined(__need_size_t) \ 41*404b540aSrobert && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \ 42*404b540aSrobert && !defined(__need_wint_t)) 43*404b540aSrobert #define _STDDEF_H 44*404b540aSrobert #define _STDDEF_H_ 45*404b540aSrobert /* snaroff@next.com says the NeXT needs this. */ 46*404b540aSrobert #define _ANSI_STDDEF_H 47*404b540aSrobert /* Irix 5.1 needs this. */ 48*404b540aSrobert #define __STDDEF_H__ 49*404b540aSrobert #endif 50*404b540aSrobert 51*404b540aSrobert #ifndef __sys_stdtypes_h 52*404b540aSrobert /* This avoids lossage on SunOS but only if stdtypes.h comes first. 53*404b540aSrobert There's no way to win with the other order! Sun lossage. */ 54*404b540aSrobert 55*404b540aSrobert /* On 4.3bsd-net2, make sure ansi.h is included, so we have 56*404b540aSrobert one less case to deal with in the following. */ 57*404b540aSrobert #if defined (__BSD_NET2__) || defined (____386BSD____) || (defined (__FreeBSD__) && (__FreeBSD__ < 5)) || defined(__NetBSD__) 58*404b540aSrobert #include <machine/ansi.h> 59*404b540aSrobert #endif 60*404b540aSrobert /* On FreeBSD 5, machine/ansi.h does not exist anymore... */ 61*404b540aSrobert #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) 62*404b540aSrobert #include <sys/_types.h> 63*404b540aSrobert #endif 64*404b540aSrobert 65*404b540aSrobert /* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are 66*404b540aSrobert defined if the corresponding type is *not* defined. 67*404b540aSrobert FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_ */ 68*404b540aSrobert #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) 69*404b540aSrobert #if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_) 70*404b540aSrobert #define _SIZE_T 71*404b540aSrobert #endif 72*404b540aSrobert #if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_) 73*404b540aSrobert #define _PTRDIFF_T 74*404b540aSrobert #endif 75*404b540aSrobert /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ 76*404b540aSrobert instead of _WCHAR_T_. */ 77*404b540aSrobert #if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_) 78*404b540aSrobert #ifndef _BSD_WCHAR_T_ 79*404b540aSrobert #define _WCHAR_T 80*404b540aSrobert #endif 81*404b540aSrobert #endif 82*404b540aSrobert /* Undef _FOO_T_ if we are supposed to define foo_t. */ 83*404b540aSrobert #if defined (__need_ptrdiff_t) || defined (_STDDEF_H_) 84*404b540aSrobert #undef _PTRDIFF_T_ 85*404b540aSrobert #undef _BSD_PTRDIFF_T_ 86*404b540aSrobert #endif 87*404b540aSrobert #if defined (__need_size_t) || defined (_STDDEF_H_) 88*404b540aSrobert #undef _SIZE_T_ 89*404b540aSrobert #undef _BSD_SIZE_T_ 90*404b540aSrobert #endif 91*404b540aSrobert #if defined (__need_wchar_t) || defined (_STDDEF_H_) 92*404b540aSrobert #undef _WCHAR_T_ 93*404b540aSrobert #undef _BSD_WCHAR_T_ 94*404b540aSrobert #endif 95*404b540aSrobert #endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) */ 96*404b540aSrobert 97*404b540aSrobert /* Sequent's header files use _PTRDIFF_T_ in some conflicting way. 98*404b540aSrobert Just ignore it. */ 99*404b540aSrobert #if defined (__sequent__) && defined (_PTRDIFF_T_) 100*404b540aSrobert #undef _PTRDIFF_T_ 101*404b540aSrobert #endif 102*404b540aSrobert 103*404b540aSrobert /* On VxWorks, <type/vxTypesBase.h> may have defined macros like 104*404b540aSrobert _TYPE_size_t which will typedef size_t. fixincludes patched the 105*404b540aSrobert vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is 106*404b540aSrobert not defined, and so that defining this macro defines _GCC_SIZE_T. 107*404b540aSrobert If we find that the macros are still defined at this point, we must 108*404b540aSrobert invoke them so that the type is defined as expected. */ 109*404b540aSrobert #if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_)) 110*404b540aSrobert _TYPE_ptrdiff_t; 111*404b540aSrobert #undef _TYPE_ptrdiff_t 112*404b540aSrobert #endif 113*404b540aSrobert #if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_)) 114*404b540aSrobert _TYPE_size_t; 115*404b540aSrobert #undef _TYPE_size_t 116*404b540aSrobert #endif 117*404b540aSrobert #if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_)) 118*404b540aSrobert _TYPE_wchar_t; 119*404b540aSrobert #undef _TYPE_wchar_t 120*404b540aSrobert #endif 121*404b540aSrobert 122*404b540aSrobert /* In case nobody has defined these types, but we aren't running under 123*404b540aSrobert GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and 124*404b540aSrobert __WCHAR_TYPE__ have reasonable values. This can happen if the 125*404b540aSrobert parts of GCC is compiled by an older compiler, that actually 126*404b540aSrobert include gstddef.h, such as collect2. */ 127*404b540aSrobert 128*404b540aSrobert /* Signed type of difference of two pointers. */ 129*404b540aSrobert 130*404b540aSrobert /* Define this type if we are doing the whole job, 131*404b540aSrobert or if we want this type in particular. */ 132*404b540aSrobert #if defined (_STDDEF_H) || defined (__need_ptrdiff_t) 133*404b540aSrobert #ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */ 134*404b540aSrobert #ifndef _T_PTRDIFF_ 135*404b540aSrobert #ifndef _T_PTRDIFF 136*404b540aSrobert #ifndef __PTRDIFF_T 137*404b540aSrobert #ifndef _PTRDIFF_T_ 138*404b540aSrobert #ifndef _BSD_PTRDIFF_T_ 139*404b540aSrobert #ifndef ___int_ptrdiff_t_h 140*404b540aSrobert #ifndef _GCC_PTRDIFF_T 141*404b540aSrobert #define _PTRDIFF_T 142*404b540aSrobert #define _T_PTRDIFF_ 143*404b540aSrobert #define _T_PTRDIFF 144*404b540aSrobert #define __PTRDIFF_T 145*404b540aSrobert #define _PTRDIFF_T_ 146*404b540aSrobert #define _BSD_PTRDIFF_T_ 147*404b540aSrobert #define ___int_ptrdiff_t_h 148*404b540aSrobert #define _GCC_PTRDIFF_T 149*404b540aSrobert #ifndef __PTRDIFF_TYPE__ 150*404b540aSrobert #define __PTRDIFF_TYPE__ long int 151*404b540aSrobert #endif 152*404b540aSrobert typedef __PTRDIFF_TYPE__ ptrdiff_t; 153*404b540aSrobert #endif /* _GCC_PTRDIFF_T */ 154*404b540aSrobert #endif /* ___int_ptrdiff_t_h */ 155*404b540aSrobert #endif /* _BSD_PTRDIFF_T_ */ 156*404b540aSrobert #endif /* _PTRDIFF_T_ */ 157*404b540aSrobert #endif /* __PTRDIFF_T */ 158*404b540aSrobert #endif /* _T_PTRDIFF */ 159*404b540aSrobert #endif /* _T_PTRDIFF_ */ 160*404b540aSrobert #endif /* _PTRDIFF_T */ 161*404b540aSrobert 162*404b540aSrobert /* If this symbol has done its job, get rid of it. */ 163*404b540aSrobert #undef __need_ptrdiff_t 164*404b540aSrobert 165*404b540aSrobert #endif /* _STDDEF_H or __need_ptrdiff_t. */ 166*404b540aSrobert 167*404b540aSrobert /* Unsigned type of `sizeof' something. */ 168*404b540aSrobert 169*404b540aSrobert /* Define this type if we are doing the whole job, 170*404b540aSrobert or if we want this type in particular. */ 171*404b540aSrobert #if defined (_STDDEF_H) || defined (__need_size_t) 172*404b540aSrobert #ifndef __size_t__ /* BeOS */ 173*404b540aSrobert #ifndef __SIZE_T__ /* Cray Unicos/Mk */ 174*404b540aSrobert #ifndef _SIZE_T /* in case <sys/types.h> has defined it. */ 175*404b540aSrobert #ifndef _SYS_SIZE_T_H 176*404b540aSrobert #ifndef _T_SIZE_ 177*404b540aSrobert #ifndef _T_SIZE 178*404b540aSrobert #ifndef __SIZE_T 179*404b540aSrobert #ifndef _SIZE_T_ 180*404b540aSrobert #ifndef _BSD_SIZE_T_ 181*404b540aSrobert #ifndef _SIZE_T_DEFINED_ 182*404b540aSrobert #ifndef _SIZE_T_DEFINED 183*404b540aSrobert #ifndef _BSD_SIZE_T_DEFINED_ /* Darwin */ 184*404b540aSrobert #ifndef _SIZE_T_DECLARED /* FreeBSD 5 */ 185*404b540aSrobert #ifndef ___int_size_t_h 186*404b540aSrobert #ifndef _GCC_SIZE_T 187*404b540aSrobert #ifndef _SIZET_ 188*404b540aSrobert #ifndef __size_t 189*404b540aSrobert #define __size_t__ /* BeOS */ 190*404b540aSrobert #define __SIZE_T__ /* Cray Unicos/Mk */ 191*404b540aSrobert #define _SIZE_T 192*404b540aSrobert #define _SYS_SIZE_T_H 193*404b540aSrobert #define _T_SIZE_ 194*404b540aSrobert #define _T_SIZE 195*404b540aSrobert #define __SIZE_T 196*404b540aSrobert #define _SIZE_T_ 197*404b540aSrobert #define _BSD_SIZE_T_ 198*404b540aSrobert #define _SIZE_T_DEFINED_ 199*404b540aSrobert #define _SIZE_T_DEFINED 200*404b540aSrobert #define _BSD_SIZE_T_DEFINED_ /* Darwin */ 201*404b540aSrobert #define _SIZE_T_DECLARED /* FreeBSD 5 */ 202*404b540aSrobert #define ___int_size_t_h 203*404b540aSrobert #define _GCC_SIZE_T 204*404b540aSrobert #define _SIZET_ 205*404b540aSrobert #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) 206*404b540aSrobert /* __size_t is a typedef on FreeBSD 5!, must not trash it. */ 207*404b540aSrobert #else 208*404b540aSrobert #define __size_t 209*404b540aSrobert #endif 210*404b540aSrobert #ifndef __SIZE_TYPE__ 211*404b540aSrobert #define __SIZE_TYPE__ long unsigned int 212*404b540aSrobert #endif 213*404b540aSrobert #if !(defined (__GNUG__) && defined (size_t)) 214*404b540aSrobert typedef __SIZE_TYPE__ size_t; 215*404b540aSrobert #ifdef __BEOS__ 216*404b540aSrobert typedef long ssize_t; 217*404b540aSrobert #endif /* __BEOS__ */ 218*404b540aSrobert #endif /* !(defined (__GNUG__) && defined (size_t)) */ 219*404b540aSrobert #endif /* __size_t */ 220*404b540aSrobert #endif /* _SIZET_ */ 221*404b540aSrobert #endif /* _GCC_SIZE_T */ 222*404b540aSrobert #endif /* ___int_size_t_h */ 223*404b540aSrobert #endif /* _SIZE_T_DECLARED */ 224*404b540aSrobert #endif /* _BSD_SIZE_T_DEFINED_ */ 225*404b540aSrobert #endif /* _SIZE_T_DEFINED */ 226*404b540aSrobert #endif /* _SIZE_T_DEFINED_ */ 227*404b540aSrobert #endif /* _BSD_SIZE_T_ */ 228*404b540aSrobert #endif /* _SIZE_T_ */ 229*404b540aSrobert #endif /* __SIZE_T */ 230*404b540aSrobert #endif /* _T_SIZE */ 231*404b540aSrobert #endif /* _T_SIZE_ */ 232*404b540aSrobert #endif /* _SYS_SIZE_T_H */ 233*404b540aSrobert #endif /* _SIZE_T */ 234*404b540aSrobert #endif /* __SIZE_T__ */ 235*404b540aSrobert #endif /* __size_t__ */ 236*404b540aSrobert #undef __need_size_t 237*404b540aSrobert #endif /* _STDDEF_H or __need_size_t. */ 238*404b540aSrobert 239*404b540aSrobert 240*404b540aSrobert /* Wide character type. 241*404b540aSrobert Locale-writers should change this as necessary to 242*404b540aSrobert be big enough to hold unique values not between 0 and 127, 243*404b540aSrobert and not (wchar_t) -1, for each defined multibyte character. */ 244*404b540aSrobert 245*404b540aSrobert /* Define this type if we are doing the whole job, 246*404b540aSrobert or if we want this type in particular. */ 247*404b540aSrobert #if defined (_STDDEF_H) || defined (__need_wchar_t) 248*404b540aSrobert #ifndef __wchar_t__ /* BeOS */ 249*404b540aSrobert #ifndef __WCHAR_T__ /* Cray Unicos/Mk */ 250*404b540aSrobert #ifndef _WCHAR_T 251*404b540aSrobert #ifndef _T_WCHAR_ 252*404b540aSrobert #ifndef _T_WCHAR 253*404b540aSrobert #ifndef __WCHAR_T 254*404b540aSrobert #ifndef _WCHAR_T_ 255*404b540aSrobert #ifndef _BSD_WCHAR_T_ 256*404b540aSrobert #ifndef _BSD_WCHAR_T_DEFINED_ /* Darwin */ 257*404b540aSrobert #ifndef _BSD_RUNE_T_DEFINED_ /* Darwin */ 258*404b540aSrobert #ifndef _WCHAR_T_DECLARED /* FreeBSD 5 */ 259*404b540aSrobert #ifndef _WCHAR_T_DEFINED_ 260*404b540aSrobert #ifndef _WCHAR_T_DEFINED 261*404b540aSrobert #ifndef _WCHAR_T_H 262*404b540aSrobert #ifndef ___int_wchar_t_h 263*404b540aSrobert #ifndef __INT_WCHAR_T_H 264*404b540aSrobert #ifndef _GCC_WCHAR_T 265*404b540aSrobert #define __wchar_t__ /* BeOS */ 266*404b540aSrobert #define __WCHAR_T__ /* Cray Unicos/Mk */ 267*404b540aSrobert #define _WCHAR_T 268*404b540aSrobert #define _T_WCHAR_ 269*404b540aSrobert #define _T_WCHAR 270*404b540aSrobert #define __WCHAR_T 271*404b540aSrobert #define _WCHAR_T_ 272*404b540aSrobert #define _BSD_WCHAR_T_ 273*404b540aSrobert #define _WCHAR_T_DEFINED_ 274*404b540aSrobert #define _WCHAR_T_DEFINED 275*404b540aSrobert #define _WCHAR_T_H 276*404b540aSrobert #define ___int_wchar_t_h 277*404b540aSrobert #define __INT_WCHAR_T_H 278*404b540aSrobert #define _GCC_WCHAR_T 279*404b540aSrobert #define _WCHAR_T_DECLARED 280*404b540aSrobert 281*404b540aSrobert /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_ 282*404b540aSrobert instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other 283*404b540aSrobert symbols in the _FOO_T_ family, stays defined even after its 284*404b540aSrobert corresponding type is defined). If we define wchar_t, then we 285*404b540aSrobert must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if 286*404b540aSrobert we undef _WCHAR_T_, then we must also define rune_t, since 287*404b540aSrobert headers like runetype.h assume that if machine/ansi.h is included, 288*404b540aSrobert and _BSD_WCHAR_T_ is not defined, then rune_t is available. 289*404b540aSrobert machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of 290*404b540aSrobert the same type." */ 291*404b540aSrobert #ifdef _BSD_WCHAR_T_ 292*404b540aSrobert #undef _BSD_WCHAR_T_ 293*404b540aSrobert #ifdef _BSD_RUNE_T_ 294*404b540aSrobert #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) 295*404b540aSrobert typedef _BSD_RUNE_T_ rune_t; 296*404b540aSrobert #define _BSD_WCHAR_T_DEFINED_ 297*404b540aSrobert #define _BSD_RUNE_T_DEFINED_ /* Darwin */ 298*404b540aSrobert #if defined (__FreeBSD__) && (__FreeBSD__ < 5) 299*404b540aSrobert /* Why is this file so hard to maintain properly? In contrast to 300*404b540aSrobert the comment above regarding BSD/386 1.1, on FreeBSD for as long 301*404b540aSrobert as the symbol has existed, _BSD_RUNE_T_ must not stay defined or 302*404b540aSrobert redundant typedefs will occur when stdlib.h is included after this file. */ 303*404b540aSrobert #undef _BSD_RUNE_T_ 304*404b540aSrobert #endif 305*404b540aSrobert #endif 306*404b540aSrobert #endif 307*404b540aSrobert #endif 308*404b540aSrobert /* FreeBSD 5 can't be handled well using "traditional" logic above 309*404b540aSrobert since it no longer defines _BSD_RUNE_T_ yet still desires to export 310*404b540aSrobert rune_t in some cases... */ 311*404b540aSrobert #if defined (__FreeBSD__) && (__FreeBSD__ >= 5) 312*404b540aSrobert #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE) 313*404b540aSrobert #if __BSD_VISIBLE 314*404b540aSrobert #ifndef _RUNE_T_DECLARED 315*404b540aSrobert typedef __rune_t rune_t; 316*404b540aSrobert #define _RUNE_T_DECLARED 317*404b540aSrobert #endif 318*404b540aSrobert #endif 319*404b540aSrobert #endif 320*404b540aSrobert #endif 321*404b540aSrobert 322*404b540aSrobert #ifndef __WCHAR_TYPE__ 323*404b540aSrobert #define __WCHAR_TYPE__ int 324*404b540aSrobert #endif 325*404b540aSrobert #ifndef __cplusplus 326*404b540aSrobert typedef __WCHAR_TYPE__ wchar_t; 327*404b540aSrobert #endif 328*404b540aSrobert #endif 329*404b540aSrobert #endif 330*404b540aSrobert #endif 331*404b540aSrobert #endif 332*404b540aSrobert #endif 333*404b540aSrobert #endif 334*404b540aSrobert #endif /* _WCHAR_T_DECLARED */ 335*404b540aSrobert #endif /* _BSD_RUNE_T_DEFINED_ */ 336*404b540aSrobert #endif 337*404b540aSrobert #endif 338*404b540aSrobert #endif 339*404b540aSrobert #endif 340*404b540aSrobert #endif 341*404b540aSrobert #endif 342*404b540aSrobert #endif 343*404b540aSrobert #endif /* __WCHAR_T__ */ 344*404b540aSrobert #endif /* __wchar_t__ */ 345*404b540aSrobert #undef __need_wchar_t 346*404b540aSrobert #endif /* _STDDEF_H or __need_wchar_t. */ 347*404b540aSrobert 348*404b540aSrobert #if defined (__need_wint_t) 349*404b540aSrobert #ifndef _WINT_T 350*404b540aSrobert #define _WINT_T 351*404b540aSrobert 352*404b540aSrobert #ifndef __WINT_TYPE__ 353*404b540aSrobert #define __WINT_TYPE__ unsigned int 354*404b540aSrobert #endif 355*404b540aSrobert typedef __WINT_TYPE__ wint_t; 356*404b540aSrobert #endif 357*404b540aSrobert #undef __need_wint_t 358*404b540aSrobert #endif 359*404b540aSrobert 360*404b540aSrobert /* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc. 361*404b540aSrobert are already defined. */ 362*404b540aSrobert /* BSD/OS 3.1 and FreeBSD [23].x require the MACHINE_ANSI_H check here. */ 363*404b540aSrobert #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) 364*404b540aSrobert /* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_ 365*404b540aSrobert are probably typos and should be removed before 2.8 is released. */ 366*404b540aSrobert #ifdef _GCC_PTRDIFF_T_ 367*404b540aSrobert #undef _PTRDIFF_T_ 368*404b540aSrobert #undef _BSD_PTRDIFF_T_ 369*404b540aSrobert #endif 370*404b540aSrobert #ifdef _GCC_SIZE_T_ 371*404b540aSrobert #undef _SIZE_T_ 372*404b540aSrobert #undef _BSD_SIZE_T_ 373*404b540aSrobert #endif 374*404b540aSrobert #ifdef _GCC_WCHAR_T_ 375*404b540aSrobert #undef _WCHAR_T_ 376*404b540aSrobert #undef _BSD_WCHAR_T_ 377*404b540aSrobert #endif 378*404b540aSrobert /* The following ones are the real ones. */ 379*404b540aSrobert #ifdef _GCC_PTRDIFF_T 380*404b540aSrobert #undef _PTRDIFF_T_ 381*404b540aSrobert #undef _BSD_PTRDIFF_T_ 382*404b540aSrobert #endif 383*404b540aSrobert #ifdef _GCC_SIZE_T 384*404b540aSrobert #undef _SIZE_T_ 385*404b540aSrobert #undef _BSD_SIZE_T_ 386*404b540aSrobert #endif 387*404b540aSrobert #ifdef _GCC_WCHAR_T 388*404b540aSrobert #undef _WCHAR_T_ 389*404b540aSrobert #undef _BSD_WCHAR_T_ 390*404b540aSrobert #endif 391*404b540aSrobert #endif /* _ANSI_H_ || _MACHINE_ANSI_H_ */ 392*404b540aSrobert 393*404b540aSrobert #endif /* __sys_stdtypes_h */ 394*404b540aSrobert 395*404b540aSrobert /* A null pointer constant. */ 396*404b540aSrobert 397*404b540aSrobert #if defined (_STDDEF_H) || defined (__need_NULL) 398*404b540aSrobert #undef NULL /* in case <stdio.h> has defined it. */ 399*404b540aSrobert #ifdef __GNUG__ 400*404b540aSrobert #define NULL __null 401*404b540aSrobert #else /* G++ */ 402*404b540aSrobert #ifndef __cplusplus 403*404b540aSrobert #define NULL ((void *)0) 404*404b540aSrobert #else /* C++ */ 405*404b540aSrobert #define NULL 0 406*404b540aSrobert #endif /* C++ */ 407*404b540aSrobert #endif /* G++ */ 408*404b540aSrobert #endif /* NULL not defined and <stddef.h> or need NULL. */ 409*404b540aSrobert #undef __need_NULL 410*404b540aSrobert 411*404b540aSrobert #ifdef _STDDEF_H 412*404b540aSrobert 413*404b540aSrobert /* Offset of member MEMBER in a struct of type TYPE. */ 414*404b540aSrobert #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) 415*404b540aSrobert 416*404b540aSrobert #endif /* _STDDEF_H was defined this time */ 417*404b540aSrobert 418*404b540aSrobert #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__ 419*404b540aSrobert || __need_XXX was not defined before */ 420