199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 1989, 1993
199767f8919635c4928607450d9e0abb932109ceToomas Soome * The Regents of the University of California. All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * (c) UNIX System Laboratories, Inc.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All or some portions of this file are derived from material licensed
199767f8919635c4928607450d9e0abb932109ceToomas Soome * to the University of California by American Telephone and Telegraph
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Co. or Unix System Laboratories, Inc. and are reproduced herein with
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the permission of UNIX System Laboratories, Inc.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * This code is derived from software contributed to Berkeley by
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Paul Borman at Krystal Technologies.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 3. Neither the name of the University nor the names of its contributors
199767f8919635c4928607450d9e0abb932109ceToomas Soome * may be used to endorse or promote products derived from this software
199767f8919635c4928607450d9e0abb932109ceToomas Soome * without specific prior written permission.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * @(#)ctype.h 8.4 (Berkeley) 1/21/94
199767f8919635c4928607450d9e0abb932109ceToomas Soome#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif /* !__cplusplus */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
199767f8919635c4928607450d9e0abb932109ceToomas Soome * tolower() and toupper() respectively, minus extra checking to ensure that
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the argument is a lower or uppercase letter respectively. We've chosen to
199767f8919635c4928607450d9e0abb932109ceToomas Soome * implement these macros with the same error checking as tolower() and
199767f8919635c4928607450d9e0abb932109ceToomas Soome * toupper() since this doesn't violate the specification itself, only its
199767f8919635c4928607450d9e0abb932109ceToomas Soome * intent. We purposely leave _tolower() and _toupper() undocumented to
199767f8919635c4928607450d9e0abb932109ceToomas Soome * discourage their use.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * XXX isascii() and toascii() should similarly be undocumented.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ishexnumber(c) __sbistype((c), _CTYPE_X)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define isnumber(c) __sbistype((c), _CTYPE_D|_CTYPE_N)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define isphonogram(c) __sbistype((c), _CTYPE_Q)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif /* !_CTYPE_H_ */