--- Libc/Libc-391/include/wctype.h
+++ Libc/Libc-320/include/wctype.h
@@ -32,21 +32,71 @@
 #define	_WCTYPE_H_
 
 #include <sys/cdefs.h>
-#include <_types.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
-typedef	__darwin_wctrans_t	wctrans_t;
 #endif
 
-#include <_wctype.h>
-#include <ctype.h>
+#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);
@@ -57,13 +107,23 @@
 wint_t	iswrune(wint_t);
 wint_t	iswspecial(wint_t);
 #endif
-
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
-wint_t	nextwctype(wint_t, wctype_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)
@@ -75,8 +135,4 @@
 #define	iswspecial(wc)		__istype((wc), _CTYPE_T)
 #endif
 
-#ifdef _USE_EXTENDED_LOCALES_
-#include <xlocale/_wctype.h>
-#endif /* _USE_EXTENDED_LOCALES_ */
-
 #endif		/* _WCTYPE_H_ */