git.sur5r.net Git - cc65/blob - include/stddef.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 stddef.h                                  */
   4 /*                                                                           */
   5 /*                            Common definitions                             */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2009, Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 52                                           */
  11 /*                D-70794 Filderstadt                                        */
  12 /* EMail:         uz@cc65.org                                                */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef _STDDEF_H
  37 #define _STDDEF_H
  38
  39
  40
  41 /* Standard data types */
  42 #ifndef _HAVE_ptrdiff_t
  43 #define _HAVE_ptrdiff_t
  44 typedef int ptrdiff_t;
  45 #endif
  46 #ifndef _HAVE_wchar_t
  47 #define _HAVE_wchar_t
  48 typedef char wchar_t;
  49 #endif
  50 #ifndef _HAVE_size_t
  51 #define _HAVE_size_t
  52 typedef unsigned size_t;
  53 #endif
  54
  55 /* NULL pointer */
  56 #ifndef _HAVE_NULL
  57 #define NULL    0
  58 #define _HAVE_NULL
  59 #endif
  60
  61 /* offsetof macro */
  62 #define offsetof(type, member)  (size_t) (&((type*) 0)->member)
  63
  64
  65
  66 /* End of stddef.h */
  67 #endif
  68
  69
  70