NetBSD/include/ctype.h

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/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* from: @(#)ctype.h 5.3 (Berkeley) 4/3/91
* $Id: ctype.h,v 1.13 1994/05/16 10:58:56 cgd Exp $
*/
#ifndef _CTYPE_H_
#define _CTYPE_H_
#include <sys/cdefs.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 char *_ctype_;
extern const short *_tolower_tab_;
extern const short *_toupper_tab_;
__BEGIN_DECLS
extern int isalnum __P ((int));
extern int isalpha __P ((int));
extern int iscntrl __P ((int));
extern int isdigit __P ((int));
extern int isgraph __P ((int));
extern int islower __P ((int));
extern int isprint __P ((int));
extern int ispunct __P ((int));
extern int isspace __P ((int));
extern int isupper __P ((int));
extern int isxdigit __P ((int));
extern int tolower __P ((int));
extern int toupper __P ((int));
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
extern int isblank __P ((int));
extern int isascii __P ((int));
extern int toascii __P ((int));
extern int _tolower __P ((int));
extern int _toupper __P ((int));
#endif
__END_DECLS
#define isdigit(c) ((_ctype_ + 1)[c] & _N)
#define islower(c) ((_ctype_ + 1)[c] & _L)
#define isspace(c) ((_ctype_ + 1)[c] & _S)
#define ispunct(c) ((_ctype_ + 1)[c] & _P)
#define isupper(c) ((_ctype_ + 1)[c] & _U)
#define isalpha(c) ((_ctype_ + 1)[c] & (_U|_L))
#define isxdigit(c) ((_ctype_ + 1)[c] & (_N|_X))
#define isalnum(c) ((_ctype_ + 1)[c] & (_U|_L|_N))
#define isprint(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B))
#define isgraph(c) ((_ctype_ + 1)[c] & (_P|_U|_L|_N))
#define iscntrl(c) ((_ctype_ + 1)[c] & _C)
#define tolower(c) ((_tolower_tab_ + 1)[c])
#define toupper(c) ((_toupper_tab_ + 1)[c])
#if !defined(_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
#if notyet
#define isblank(c) ((_ctype_ + 1)[c] & _B)
#endif
#define isascii(c) ((unsigned)(c) <= 0177)
#define toascii(c) ((c) & 0177)
#define _tolower(c) ((c) - 'A' + 'a')
#define _toupper(c) ((c) - 'a' + 'A')
#endif
#endif /* !_CTYPE_H_ */