1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1989, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * This code is derived from software contributed to Berkeley by
13 * Paul Borman at Krystal Technologies.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 *    notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 *    notice, this list of conditions and the following disclaimer in the
22 *    documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *	@(#)ctype.h	8.4 (Berkeley) 1/21/94
40 *      $FreeBSD$
41 */
42
43#ifndef _CTYPE_H_
44#define	_CTYPE_H_
45
46#include <sys/cdefs.h>
47#include <sys/_types.h>
48#include <_ctype.h>
49
50__BEGIN_DECLS
51int	isalnum(int);
52int	isalpha(int);
53int	iscntrl(int);
54int	isdigit(int);
55int	isgraph(int);
56int	islower(int);
57int	isprint(int);
58int	ispunct(int);
59int	isspace(int);
60int	isupper(int);
61int	isxdigit(int);
62int	tolower(int);
63int	toupper(int);
64
65#if __XSI_VISIBLE
66int	isascii(int);
67int	toascii(int);
68#endif
69
70#if __ISO_C_VISIBLE >= 1999
71int	isblank(int);
72#endif
73
74#if __BSD_VISIBLE
75int	digittoint(int);
76int	ishexnumber(int);
77int	isideogram(int);
78int	isnumber(int);
79int	isphonogram(int);
80int	isrune(int);
81int	isspecial(int);
82#endif
83
84#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
85#include <xlocale/_ctype.h>
86#endif
87__END_DECLS
88
89#ifndef __cplusplus
90#define	isalnum(c)	__sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N)
91#define	isalpha(c)	__sbistype((c), _CTYPE_A)
92#define	iscntrl(c)	__sbistype((c), _CTYPE_C)
93#define	isdigit(c)	__sbistype((c), _CTYPE_D)
94#define	isgraph(c)	__sbistype((c), _CTYPE_G)
95#define	islower(c)	__sbistype((c), _CTYPE_L)
96#define	isprint(c)	__sbistype((c), _CTYPE_R)
97#define	ispunct(c)	__sbistype((c), _CTYPE_P)
98#define	isspace(c)	__sbistype((c), _CTYPE_S)
99#define	isupper(c)	__sbistype((c), _CTYPE_U)
100#define	isxdigit(c)	__sbistype((c), _CTYPE_X)
101#define	tolower(c)	__sbtolower(c)
102#define	toupper(c)	__sbtoupper(c)
103#endif /* !__cplusplus */
104
105#if __XSI_VISIBLE
106/*
107 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
108 * tolower() and toupper() respectively, minus extra checking to ensure that
109 * the argument is a lower or uppercase letter respectively.  We've chosen to
110 * implement these macros with the same error checking as tolower() and
111 * toupper() since this doesn't violate the specification itself, only its
112 * intent.  We purposely leave _tolower() and _toupper() undocumented to
113 * discourage their use.
114 *
115 * XXX isascii() and toascii() should similarly be undocumented.
116 */
117#define	_tolower(c)	__sbtolower(c)
118#define	_toupper(c)	__sbtoupper(c)
119#define	isascii(c)	(((c) & ~0x7F) == 0)
120#define	toascii(c)	((c) & 0x7F)
121#endif
122
123#if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus)
124#define	isblank(c)	__sbistype((c), _CTYPE_B)
125#endif
126
127#if __BSD_VISIBLE
128#define	digittoint(c)	__sbmaskrune((c), 0xFF)
129#define	ishexnumber(c)	__sbistype((c), _CTYPE_X)
130#define	isideogram(c)	__sbistype((c), _CTYPE_I)
131#define	isnumber(c)	__sbistype((c), _CTYPE_D|_CTYPE_N)
132#define	isphonogram(c)	__sbistype((c), _CTYPE_Q)
133#define	isrune(c)	__sbistype((c), 0xFFFFFF00L)
134#define	isspecial(c)	__sbistype((c), _CTYPE_T)
135#endif
136
137#endif /* !_CTYPE_H_ */
138