include/msvcrt/stddef.h

   1 /*
   2  * Time definitions
   3  *
   4  * Copyright 2000 Francois Gouget.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20 #ifndef __WINE_STDDEF_H
  21 #define __WINE_STDDEF_H
  22
  23 #include <crtdefs.h>
  24
  25 #ifndef NULL
  26 #ifdef __cplusplus
  27 #define NULL  0
  28 #else
  29 #define NULL  ((void *)0)
  30 #endif
  31 #endif
  32
  33 #ifdef _WIN64
  34 #define offsetof(s,m)       (size_t)((ptrdiff_t)&(((s*)NULL)->m))
  35 #else
  36 #define offsetof(s,m)       (size_t)&(((s*)NULL)->m)
  37 #endif
  38
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 unsigned long __cdecl __threadid(void);
  45 unsigned long __cdecl __threadhandle(void);
  46 #define _threadid    (__threadid())
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52 #endif /* __WINE_STDDEF_H */