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/* $NetBSD: ctype.h,v 1.29 2005/12/26 19:01:47 perry Exp $ */
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ctype.h 5.3 (Berkeley) 4/3/91
*/
#ifndef _CTYPE_H_
#define _CTYPE_H_
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#define _U 0x01
#define _L 0x02
#define _N 0x04
#define _S 0x08
#define _P 0x10
#define _C 0x20
#define _X 0x40
#define _B 0x80
extern const unsigned char *_ctype_;
extern const short *_tolower_tab_;
extern const short *_toupper_tab_;
__BEGIN_DECLS
int isalnum(int);
int isalpha(int);
int iscntrl(int);
int isdigit(int);
int isgraph(int);
int islower(int);
int isprint(int);
int ispunct(int);
int isspace(int);
int isupper(int);
int isxdigit(int);
int tolower(int);
int toupper(int);
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
int isascii(int);
int toascii(int);
int _tolower(int);
int _toupper(int);
#endif
#if defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \
(_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE)
int isblank(int);
#endif
__END_DECLS
#define isdigit(c) ((int)((_ctype_ + 1)[(c)] & _N))
#define islower(c) ((int)((_ctype_ + 1)[(c)] & _L))
#define isspace(c) ((int)((_ctype_ + 1)[(c)] & _S))
#define ispunct(c) ((int)((_ctype_ + 1)[(c)] & _P))
#define isupper(c) ((int)((_ctype_ + 1)[(c)] & _U))
#define isalpha(c) ((int)((_ctype_ + 1)[(c)] & (_U|_L)))
#define isxdigit(c) ((int)((_ctype_ + 1)[(c)] & (_N|_X)))
#define isalnum(c) ((int)((_ctype_ + 1)[(c)] & (_U|_L|_N)))
#define isprint(c) ((int)((_ctype_ + 1)[(c)] & (_P|_U|_L|_N|_B)))
#define isgraph(c) ((int)((_ctype_ + 1)[(c)] & (_P|_U|_L|_N)))
#define iscntrl(c) ((int)((_ctype_ + 1)[(c)] & _C))
#define tolower(c) ((int)((_tolower_tab_ + 1)[(c)]))
#define toupper(c) ((int)((_toupper_tab_ + 1)[(c)]))
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
#define isascii(c) ((unsigned)(c) <= 0177)
#define toascii(c) ((c) & 0177)
#define _tolower(c) ((c) - 'A' + 'a')
#define _toupper(c) ((c) - 'a' + 'A')
#endif
#if defined(_ISO_C99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \
(_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE)
/*
* isblank() is implemented as C function, due to insufficient bitwidth in
* _ctype_. Note that _B does not mean isblank - it means isprint && !isgraph.
*/
#if 0
#define isblank(c) ((int)((_ctype_ + 1)[(c)] & _B))
#endif
#endif
#ifdef _CTYPE_PRIVATE
#include <machine/limits.h> /* for CHAR_BIT */
#define _CTYPE_NUM_CHARS (1 << CHAR_BIT)
#define _CTYPE_ID "BSDCTYPE"
#define _CTYPE_REV 2
extern const uint8_t _C_ctype_[];
extern const int16_t _C_toupper_[];
extern const int16_t _C_tolower_[];
#endif
#endif /* !_CTYPE_H_ */
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