stddef.h

   1 #ifndef _STDDEF_H
   2 #define _STDDEF_H
   3
   4 #define NULL ((void *)0)
   5 typedef unsigned int size_t;
   6 typedef int wchar_t;
   7 typedef int ptrdiff_t;
   8 #define offsetof(type, field) ((size_t) &((type *)0)->field)
   9
  10 #endif