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diff --git a/ctype/ctype.h b/ctype/ctype.h
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+/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	ANSI Standard 4.3: CHARACTER HANDLING	<ctype.h>
+ */
+
+#ifndef	_CTYPE_H
+
+#define	_CTYPE_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* These are all the characteristics of characters.  All the
+   interdependencies (such as that an alphabetic is an uppercase or a
+   lowercase) are here.  If there get to be more than
+   (sizeof (unsigned short int) * CHAR_BIT) distinct characteristics,
+   many things must be changed that use `unsigned short int's.  */
+enum
+{
+  _ISupper = 1 << 0,			/* UPPERCASE.  */
+  _ISlower = 1 << 1,			/* lowercase.  */
+  _IScntrl = 1 << 2,			/* Control character.  */
+  _ISdigit = 1 << 3,			/* Numeric.  */
+  _ISspace = 1 << 4,			/* Whitespace.  */
+  _IShex = 1 << 5,			/* A - F, a - f.  */
+  _ISpunct = 1 << 6,			/* Punctuation.  */
+  _NOgraph = 1 << 7,			/* Printing but nongraphical.  */
+  _ISblank = 1 << 8,			/* Blank (usually SPC and TAB).  */
+  _ISalpha = 1 << 9,			/* Alphabetic.  */
+  _ISalnum = _ISalpha | _ISdigit,	/* Alphanumeric.  */
+  _ISxdigit = _ISdigit | _IShex,	/* Hexadecimal numeric.  */
+  _ISgraph = _ISalnum | _ISpunct,	/* Graphical.  */
+  _ISprint = _ISgraph | _NOgraph	/* Printing.  */
+};
+
+/* These are defined in localeinfo.c.
+   The declarations here must match those in localeinfo.h.
+
+   These point to the second element ([1]) of arrays of size (UCHAR_MAX + 1).
+   EOF is -1, so [EOF] is the first element of the original array.
+   ANSI requires that the ctype functions work for `unsigned char' values
+   and for EOF.  The case conversion arrays are of `short int's rather than
+   `unsigned char's because tolower (EOF) must be EOF, which doesn't fit
+   into an `unsigned char'.  */
+extern __const unsigned short int *__ctype_b;	/* Characteristics.  */
+extern __const short int *__ctype_tolower;	/* Case conversions.  */
+extern __const short int *__ctype_toupper;	/* Case conversions.  */
+
+#define	__isctype(c, type) \
+  (__ctype_b[(int) (c)] & (unsigned short int) type)
+
+#define	__isascii(c)	(((c) & (1 << 7)) == 0)	/* If high bit is set.  */
+#define	__toascii(c)	((c) & 0x7f) /* Mask off high bit.  */
+
+#define	__tolower(c)	((int) __ctype_tolower[(int) (c)])
+#define	__toupper(c)	((int) __ctype_toupper[(int) (c)])
+
+#define	__exctype(name)	extern int name __P ((int))
+
+/* The following names are all functions:
+     int isCHARACTERISTIC(int c);
+   which return nonzero iff C has CHARACTERISTIC.
+   For the meaning of the characteristic names, see the `enum' above.  */
+__exctype (isalnum);
+__exctype (isalpha);
+__exctype (iscntrl);
+__exctype (isdigit);
+__exctype (islower);
+__exctype (isgraph);
+__exctype (isprint);
+__exctype (ispunct);
+__exctype (isspace);
+__exctype (isupper);
+__exctype (isxdigit);
+
+#ifdef	__USE_GNU
+__exctype (isblank);
+#endif
+
+
+/* Return the lowercase version of C.  */
+extern int tolower __P ((int __c));
+
+/* Return the uppercase version of C.  */
+extern int toupper __P ((int __c));
+
+
+#if defined(__USE_SVID) || defined(__USE_MISC)
+
+/* Return nonzero iff C is in the ASCII set
+   (i.e., is no more than 7 bits wide).  */
+extern int isascii __P ((int __c));
+
+/* Return the part of C that is in the ASCII set
+   (i.e., the low-order 7 bits of C).  */
+extern int toascii __P ((int __c));
+
+#endif /* Use SVID or use misc.  */
+
+#ifdef	__USE_SVID
+/* These are the same as `toupper' and and `tolower'.  */
+__exctype (_toupper);
+__exctype (_tolower);
+#endif
+
+#ifndef	__NO_CTYPE
+#define	isalnum(c)	__isctype((c), _ISalnum)
+#define	isalpha(c)	__isctype((c), _ISalpha)
+#define	iscntrl(c)	__isctype((c), _IScntrl)
+#define	isdigit(c)	__isctype((c), _ISdigit)
+#define	islower(c)	__isctype((c), _ISlower)
+#define	isgraph(c)	__isctype((c), _ISgraph)
+#define	isprint(c)	__isctype((c), _ISprint)
+#define	ispunct(c)	__isctype((c), _ISpunct)
+#define	isspace(c)	__isctype((c), _ISspace)
+#define	isupper(c)	__isctype((c), _ISupper)
+#define	isxdigit(c)	__isctype((c), _ISxdigit)
+
+#ifdef	__USE_GNU
+#define	isblank(c)	__isctype((c), _ISblank)
+#endif
+
+#define	tolower(c)	__tolower(c)
+#define	toupper(c)	__toupper(c)
+
+#if defined(__USE_SVID) || defined(__USE_MISC)
+#define	isascii(c)	__isascii(c)
+#define	toascii(c)	__toascii(c)
+#endif
+
+#endif /* Not __NO_CTYPE.  */
+
+__END_DECLS
+
+#endif /* ctype.h  */