7f8368c35e
that a strictly conforming C program uses that name itself, so it had to be removed. Also put the long comment above the #if 0, because it describes the #if, not the isblank() macro. Added two blank lines to make the grouping clear. Approved by kleink.
135 lines
4.4 KiB
C
135 lines
4.4 KiB
C
/* $NetBSD: ctype.h,v 1.28 2005/04/15 23:46:07 rillig Exp $ */
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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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* 3. Neither the name of the University nor the names of its contributors
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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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* @(#)ctype.h 5.3 (Berkeley) 4/3/91
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*/
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#ifndef _CTYPE_H_
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#define _CTYPE_H_
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#include <sys/cdefs.h>
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#include <sys/featuretest.h>
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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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extern const unsigned char *_ctype_;
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extern const short *_tolower_tab_;
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extern const short *_toupper_tab_;
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__BEGIN_DECLS
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int isalnum(int);
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int isalpha(int);
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int iscntrl(int);
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int isdigit(int);
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int isgraph(int);
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int islower(int);
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int isprint(int);
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int ispunct(int);
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int isspace(int);
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int isupper(int);
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int isxdigit(int);
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int tolower(int);
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int toupper(int);
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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int isascii(int);
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int toascii(int);
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int _tolower(int);
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int _toupper(int);
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#endif
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#if defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) > 200112L || \
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(_XOPEN_SOURCE - 0) > 600 || defined(_NETBSD_SOURCE)
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int isblank(int);
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#endif
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__END_DECLS
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#define isdigit(c) ((int)((_ctype_ + 1)[(c)] & _N))
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#define islower(c) ((int)((_ctype_ + 1)[(c)] & _L))
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#define isspace(c) ((int)((_ctype_ + 1)[(c)] & _S))
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#define ispunct(c) ((int)((_ctype_ + 1)[(c)] & _P))
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#define isupper(c) ((int)((_ctype_ + 1)[(c)] & _U))
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#define isalpha(c) ((int)((_ctype_ + 1)[(c)] & (_U|_L)))
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#define isxdigit(c) ((int)((_ctype_ + 1)[(c)] & (_N|_X)))
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#define isalnum(c) ((int)((_ctype_ + 1)[(c)] & (_U|_L|_N)))
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#define isprint(c) ((int)((_ctype_ + 1)[(c)] & (_P|_U|_L|_N|_B)))
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#define isgraph(c) ((int)((_ctype_ + 1)[(c)] & (_P|_U|_L|_N)))
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#define iscntrl(c) ((int)((_ctype_ + 1)[(c)] & _C))
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#define tolower(c) ((int)((_tolower_tab_ + 1)[(c)]))
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#define toupper(c) ((int)((_toupper_tab_ + 1)[(c)]))
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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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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#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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/*
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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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#if 0
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#define isblank(c) ((int)((_ctype_ + 1)[(c)] & _B))
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#endif
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#endif
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#ifdef _CTYPE_PRIVATE
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#include <machine/limits.h> /* for CHAR_BIT */
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#define _CTYPE_NUM_CHARS (1 << CHAR_BIT)
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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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#endif /* !_CTYPE_H_ */
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