#define _WCHAR_T
#endif
/* Undef _FOO_T_ if we are supposed to define foo_t. */
-#if ! defined (__need_wchar_t) && ! defined (__need_size_t)
+#if defined (__need_ptrdiff_t) || defined (_STDDEF_H_)
#undef _PTRDIFF_T_
#endif
-#if ! defined (__need_wchar_t) && ! defined (__need_ptrdiff_t)
+#if defined (__need_size_t) || defined (_STDDEF_H_)
#undef _SIZE_T_
#endif
-#if ! defined (__need_size_t) && ! defined (__need_ptrdiff_t)
+#if defined (__need_wchar_t) || defined (_STDDEF_H_)
#undef _WCHAR_T_
#endif
#endif /* _ANSI_H_ */