stddef.h

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#ifndef ALCHEMY_STDDEF_H
#define ALCHEMY_STDDEF_H
 
/// @file
/// size_t, ptrdiff_t, wchar_t, NULL and offsetof, as the C library defines
/// them.
 
typedef __SIZE_TYPE__ size_t;
typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef __WCHAR_TYPE__ wchar_t;
 
#ifndef NULL
#define NULL ((void *)0)
#endif
 
#ifdef MODERN
#define offsetof(type, member) __builtin_offsetof(type, member)
#else
#define offsetof(type, member) ((size_t)&(((type *)0)->member))
#endif
 
#endif