/* there's a better way.  we should use it. */#ifdef _STDDEF_H_#define	__STDDEF_H#endif#ifdef _SYS_TYPES_H_#define	__STDDEF_H#endif#ifdef _STDLIB_H_#define	__STDDEF_H#endif #ifndef __STDDEF_H#define __STDDEF_H	/* various */#define _STDDEF_H_	/* FreeBSD */ #ifndef NULL#define NULL 0#endif #ifndef _PTRDIFF_T#define	_PTRDIFF_Ttypedef long ptrdiff_t;#endif#undef _BSD_PTRDIFF_T#ifndef _SIZE_T#define _SIZE_Ttypedef unsigned long size_t;#endif#undef _BSD_SIZE_T#ifndef _WCHAR_T#define _WCHAR_Ttypedef unsigned short wchar_t;#endif#undef _BSD_WCHAR_T #endif /* __STDDEF_H */