2003-10-22 19:51:18 +04:00
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/* $NetBSD: ctype.h,v 1.25 2003/10/22 15:51:18 kleink Exp $ */
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1994-10-26 03:55:40 +03:00
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1994-05-16 14:58:53 +04:00
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/*
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2003-08-07 13:44:09 +04:00
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* 3. Neither the name of the University nor the names of its contributors
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1994-05-16 14:58:53 +04:00
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1994-10-26 03:55:40 +03:00
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* @(#)ctype.h 5.3 (Berkeley) 4/3/91
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1994-05-16 14:58:53 +04:00
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*/
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#ifndef _CTYPE_H_
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#define _CTYPE_H_
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1998-05-10 20:57:51 +04:00
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1994-05-16 14:58:53 +04:00
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#include <sys/cdefs.h>
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2003-04-29 16:49:38 +04:00
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#include <sys/featuretest.h>
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1994-05-16 14:58:53 +04:00
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#define _U 0x01
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#define _L 0x02
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#define _N 0x04
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#define _S 0x08
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#define _P 0x10
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#define _C 0x20
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#define _X 0x40
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#define _B 0x80
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1997-06-02 13:52:36 +04:00
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extern const unsigned char *_ctype_;
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1994-05-16 14:58:53 +04:00
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extern const short *_tolower_tab_;
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extern const short *_toupper_tab_;
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1997-06-02 13:52:36 +04:00
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1994-05-16 14:58:53 +04:00
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__BEGIN_DECLS
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2000-06-13 05:21:52 +04:00
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int isalnum __P ((int));
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int isalpha __P ((int));
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int iscntrl __P ((int));
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int isdigit __P ((int));
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int isgraph __P ((int));
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int islower __P ((int));
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int isprint __P ((int));
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int ispunct __P ((int));
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int isspace __P ((int));
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int isupper __P ((int));
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int isxdigit __P ((int));
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int tolower __P ((int));
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int toupper __P ((int));
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1994-05-16 14:58:53 +04:00
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Add a new feature-test macro, _NETBSD_SOURCE. If this is defined
by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
2003-04-29 03:16:11 +04:00
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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2000-06-13 05:21:52 +04:00
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int isascii __P ((int));
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int toascii __P ((int));
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int _tolower __P ((int));
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int _toupper __P ((int));
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1994-05-16 14:58:53 +04:00
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#endif
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1998-05-10 20:57:51 +04:00
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2003-10-22 19:51:18 +04:00
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#if defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \
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2003-04-29 16:49:38 +04:00
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(_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE)
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2000-06-13 05:21:52 +04:00
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int isblank __P ((int));
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1998-05-10 20:57:51 +04:00
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#endif
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1994-05-16 14:58:53 +04:00
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__END_DECLS
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1998-03-23 09:44:34 +03:00
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#define isdigit(c) ((int)((_ctype_ + 1)[(int)(c)] & _N))
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#define islower(c) ((int)((_ctype_ + 1)[(int)(c)] & _L))
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#define isspace(c) ((int)((_ctype_ + 1)[(int)(c)] & _S))
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#define ispunct(c) ((int)((_ctype_ + 1)[(int)(c)] & _P))
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#define isupper(c) ((int)((_ctype_ + 1)[(int)(c)] & _U))
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#define isalpha(c) ((int)((_ctype_ + 1)[(int)(c)] & (_U|_L)))
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#define isxdigit(c) ((int)((_ctype_ + 1)[(int)(c)] & (_N|_X)))
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#define isalnum(c) ((int)((_ctype_ + 1)[(int)(c)] & (_U|_L|_N)))
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#define isprint(c) ((int)((_ctype_ + 1)[(int)(c)] & (_P|_U|_L|_N|_B)))
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#define isgraph(c) ((int)((_ctype_ + 1)[(int)(c)] & (_P|_U|_L|_N)))
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#define iscntrl(c) ((int)((_ctype_ + 1)[(int)(c)] & _C))
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#define tolower(c) ((int)((_tolower_tab_ + 1)[(int)(c)]))
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#define toupper(c) ((int)((_toupper_tab_ + 1)[(int)(c)]))
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1994-05-16 14:58:53 +04:00
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Add a new feature-test macro, _NETBSD_SOURCE. If this is defined
by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
2003-04-29 03:16:11 +04:00
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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1994-05-16 14:58:53 +04:00
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#define isascii(c) ((unsigned)(c) <= 0177)
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#define toascii(c) ((c) & 0177)
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#define _tolower(c) ((c) - 'A' + 'a')
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#define _toupper(c) ((c) - 'a' + 'A')
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#endif
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2003-04-29 16:49:38 +04:00
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#if defined(_ISO_C99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \
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(_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE)
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1998-05-10 20:57:51 +04:00
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#if notyet
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2001-01-21 13:44:15 +03:00
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/*
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* isblank() is implemented as C function, due to insufficient bitwidth in
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* _ctype_. Note that _B does not mean isblank - it means isprint && !isgraph.
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*/
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1998-05-10 20:57:51 +04:00
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#define isblank(c) ((int)((_ctype_ + 1)[(int)(c)] & _B))
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#endif
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#endif
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1997-06-02 13:52:36 +04:00
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#ifdef _CTYPE_PRIVATE
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2001-04-18 05:45:18 +04:00
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#include <machine/limits.h> /* for CHAR_BIT */
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2001-04-18 00:09:50 +04:00
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#define _CTYPE_NUM_CHARS (1 << CHAR_BIT)
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1997-06-02 13:52:36 +04:00
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#define _CTYPE_ID "BSDCTYPE"
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#define _CTYPE_REV 2
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extern const u_int8_t _C_ctype_[];
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extern const int16_t _C_toupper_[];
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extern const int16_t _C_tolower_[];
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#endif
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1994-05-16 14:58:53 +04:00
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#endif /* !_CTYPE_H_ */
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