--- Libc/Libc-320/include/wctype.h
+++ Libc/Libc-1669.40.2/include/wctype.h
@@ -28,111 +28,8 @@
  * $FreeBSD: /repoman/r/ncvs/src/include/wctype.h,v 1.10 2002/08/21 16:19:55 mike Exp $
  */
 
-#ifndef _WCTYPE_H_
-#define	_WCTYPE_H_
+#include <_wctype.h>
 
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include <ctype.h>
-
-#ifndef	_BSD_CT_RUNE_T_DEFINED_
-#define _BSD_CT_RUNE_T_DEFINED_
-typedef	_BSD_CT_RUNE_T_	ct_rune_t;
-#endif
-
-#ifndef	_BSD_RUNE_T_DEFINED_
-#define _BSD_RUNE_T_DEFINED_
-typedef	_BSD_RUNE_T_	rune_t;
-#endif
-
-#ifndef	__cplusplus
-#ifndef	_BSD_WCHAR_T_DEFINED_
-#define	_BSD_WCHAR_T_DEFINED_
-#ifdef	__WCHAR_TYPE__
-typedef	__WCHAR_TYPE__	wchar_t;
-#else	/* ! __WCHAR_TYPE__ */
-typedef	_BSD_WCHAR_T_	wchar_t;
-#endif	/* __WCHAR_TYPE__ */
-#endif	/* _BSD_WCHAR_T_DEFINED_ */
-#endif	/* __cplusplus */
-
-#ifndef	_BSD_WINT_T_DEFINED_
-#define _BSD_WINT_T_DEFINED_
-typedef	_BSD_WINT_T_	wint_t;
-#endif
-
-#ifndef _WCTRANS_T
-typedef	int	wctrans_t;
-#define	_WCTRANS_T
-#endif
-
-#ifndef _WCTYPE_T
-typedef	unsigned long	wctype_t;
-#define	_WCTYPE_T
-#endif
-
-#ifndef WEOF
-#define	WEOF	((wint_t)-1)
-#endif
-
-__BEGIN_DECLS
-int	iswalnum(wint_t);
-int	iswalpha(wint_t);
-int	iswblank(wint_t);
-int	iswcntrl(wint_t);
-int	iswctype(wint_t, wctype_t);
-int	iswdigit(wint_t);
-int	iswgraph(wint_t);
-int	iswlower(wint_t);
-int	iswprint(wint_t);
-int	iswpunct(wint_t);
-int	iswspace(wint_t);
-int	iswupper(wint_t);
-int	iswxdigit(wint_t);
-wint_t	towctrans(wint_t, wctrans_t);
-wint_t	towlower(wint_t);
-wint_t	towupper(wint_t);
-wctrans_t
-	wctrans(const char *);
-wctype_t
-	wctype(const char *);
-
-#if !defined(_ANSI_SOURCE)
-wint_t	iswascii(wint_t);
-wint_t	iswhexnumber(wint_t);
-wint_t	iswideogram(wint_t);
-wint_t	iswnumber(wint_t);
-wint_t	iswphonogram(wint_t);
-wint_t	iswrune(wint_t);
-wint_t	iswspecial(wint_t);
-#endif
-__END_DECLS
-
-#define	iswalnum(wc)		__istype((wc), _CTYPE_A|_CTYPE_D)
-#define	iswalpha(wc)		__istype((wc), _CTYPE_A)
-#define	iswblank(wc)		__istype((wc), _CTYPE_B)
-#define	iswcntrl(wc)		__istype((wc), _CTYPE_C)
-#define	iswctype(wc, charclass)	__istype((wc), (charclass))
-#define	iswdigit(wc)		__istype((wc), _CTYPE_D)
-#define	iswgraph(wc)		__istype((wc), _CTYPE_G)
-#define	iswlower(wc)		__istype((wc), _CTYPE_L)
-#define	iswprint(wc)		__istype((wc), _CTYPE_R)
-#define	iswpunct(wc)		__istype((wc), _CTYPE_P)
-#define	iswspace(wc)		__istype((wc), _CTYPE_S)
-#define	iswupper(wc)		__istype((wc), _CTYPE_U)
-#define	iswxdigit(wc)		__istype((wc), _CTYPE_X)
-#define	towlower(wc)		__tolower(wc)
-#define	towupper(wc)		__toupper(wc)
-
-#if !defined(_ANSI_SOURCE)
-#define	iswascii(wc)		(((wc) & ~0x7F) == 0)
-#define	iswhexnumber(wc)	__istype((wc), _CTYPE_X)
-#define	iswideogram(wc)		__istype((wc), _CTYPE_I)
-#define	iswnumber(wc)		__istype((wc), _CTYPE_D)
-#define	iswphonogram(wc)	__istype((wc), _CTYPE_Q)
-#define	iswrune(wc)		__istype((wc), 0xFFFFFF00L)
-#define	iswspecial(wc)		__istype((wc), _CTYPE_T)
-#endif
-
-#endif		/* _WCTYPE_H_ */
+#ifdef _USE_EXTENDED_LOCALES_
+#include <xlocale/_wctype.h>
+#endif /* _USE_EXTENDED_LOCALES_ */