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ctype.h
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ctype.h
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/*
* Copyright (c) 1989, 1993
* 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.
*
* This code is derived from software contributed to Berkeley by
* Paul Borman at Krystal Technologies.
*
* 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 8.4 (Berkeley) 1/21/94
* $FreeBSD$
*/
#ifndef _CTYPE_H_
#define _CTYPE_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#include <_ctype.h>
__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 __XSI_VISIBLE
int isascii(int);
int toascii(int);
#endif
#if __ISO_C_VISIBLE >= 1999
int isblank(int);
#endif
#if __BSD_VISIBLE
int digittoint(int);
int ishexnumber(int);
int isideogram(int);
int isnumber(int);
int isphonogram(int);
int isrune(int);
int isspecial(int);
#endif
__END_DECLS
#ifndef __cplusplus
#define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D)
#define isalpha(c) __sbistype((c), _CTYPE_A)
#define iscntrl(c) __sbistype((c), _CTYPE_C)
#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */
#define isgraph(c) __sbistype((c), _CTYPE_G)
#define islower(c) __sbistype((c), _CTYPE_L)
#define isprint(c) __sbistype((c), _CTYPE_R)
#define ispunct(c) __sbistype((c), _CTYPE_P)
#define isspace(c) __sbistype((c), _CTYPE_S)
#define isupper(c) __sbistype((c), _CTYPE_U)
#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */
#define tolower(c) __sbtolower(c)
#define toupper(c) __sbtoupper(c)
#endif /* !__cplusplus */
#if __XSI_VISIBLE
/*
* POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
* tolower() and toupper() respectively, minus extra checking to ensure that
* the argument is a lower or uppercase letter respectively. We've chosen to
* implement these macros with the same error checking as tolower() and
* toupper() since this doesn't violate the specification itself, only its
* intent. We purposely leave _tolower() and _toupper() undocumented to
* discourage their use.
*
* XXX isascii() and toascii() should similarly be undocumented.
*/
#define _tolower(c) __sbtolower(c)
#define _toupper(c) __sbtoupper(c)
#define isascii(c) (((c) & ~0x7F) == 0)
#define toascii(c) ((c) & 0x7F)
#endif
#if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus)
#define isblank(c) __sbistype((c), _CTYPE_B)
#endif
#if __BSD_VISIBLE
#define digittoint(c) __sbmaskrune((c), 0xFF)
#define ishexnumber(c) __sbistype((c), _CTYPE_X)
#define isideogram(c) __sbistype((c), _CTYPE_I)
#define isnumber(c) __sbistype((c), _CTYPE_D)
#define isphonogram(c) __sbistype((c), _CTYPE_Q)
#define isrune(c) __sbistype((c), 0xFFFFFF00L)
#define isspecial(c) __sbistype((c), _CTYPE_T)
#endif
#endif /* !_CTYPE_H_ */