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- /*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * 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.
- */
- #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
- #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
- #include <xlocale/_ctype.h>
- #endif
- __END_DECLS
- #ifndef __cplusplus
- #define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N)
- #define isalpha(c) __sbistype((c), _CTYPE_A)
- #define iscntrl(c) __sbistype((c), _CTYPE_C)
- #define isdigit(c) __sbistype((c), _CTYPE_D)
- #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) __sbistype((c), _CTYPE_X)
- #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|_CTYPE_N)
- #define isphonogram(c) __sbistype((c), _CTYPE_Q)
- #define isrune(c) __sbistype((c), 0xFFFFFF00L)
- #define isspecial(c) __sbistype((c), _CTYPE_T)
- #endif
- #endif /* !_CTYPE_H_ */
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