stddef.h

   1 #ifndef _STDDEF_H
   2 #define _STDDEF_H
   3
   4 #define NULL ((void *)0)
   5 typedef __SIZE_TYPE__ size_t;
   6 typedef __WCHAR_TYPE__ wchar_t;
   7 typedef __PTRDIFF_TYPE__ ptrdiff_t;
   8 #define offsetof(type, field) ((size_t) &((type *)0)->field)
   9
  10 /* need to do that because of glibc 2.1 bug (should have a way to test
  11    presence of 'long long' without __GNUC__, or TCC should define
  12    __GNUC__ ? */
  13 #if !defined(__int8_t_defined) && !defined(__dietlibc__)
  14 #define __int8_t_defined
  15 typedef char int8_t;
  16 typedef short int int16_t;
  17 typedef int int32_t;
  18 typedef long long int int64_t;
  19 #endif
  20
  21 #ifdef __i386__
  22 void *_alloca(size_t);
  23 #define alloca _alloca
  24 #endif
  25
  26 #endif