master
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 */
41
42#ifndef _CTYPE_H_
43#define _CTYPE_H_
44
45#include <sys/cdefs.h>
46#include <sys/_types.h>
47#include <_ctype.h>
48
49__BEGIN_DECLS
50int isalnum(int);
51int isalpha(int);
52int iscntrl(int);
53int isdigit(int);
54int isgraph(int);
55int islower(int);
56int isprint(int);
57int ispunct(int);
58int isspace(int);
59int isupper(int);
60int isxdigit(int);
61int tolower(int);
62int toupper(int);
63
64#if __XSI_VISIBLE
65int isascii(int);
66int toascii(int);
67#endif
68
69#if __ISO_C_VISIBLE >= 1999
70int isblank(int);
71#endif
72
73#if __BSD_VISIBLE
74int digittoint(int);
75int ishexnumber(int);
76int isideogram(int);
77int isnumber(int);
78int isphonogram(int);
79int isrune(int);
80int isspecial(int);
81#endif
82
83#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
84#include <xlocale/_ctype.h>
85#endif
86__END_DECLS
87
88#ifndef __cplusplus
89#define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N)
90#define isalpha(c) __sbistype((c), _CTYPE_A)
91#define iscntrl(c) __sbistype((c), _CTYPE_C)
92#define isdigit(c) __sbistype((c), _CTYPE_D)
93#define isgraph(c) __sbistype((c), _CTYPE_G)
94#define islower(c) __sbistype((c), _CTYPE_L)
95#define isprint(c) __sbistype((c), _CTYPE_R)
96#define ispunct(c) __sbistype((c), _CTYPE_P)
97#define isspace(c) __sbistype((c), _CTYPE_S)
98#define isupper(c) __sbistype((c), _CTYPE_U)
99#define isxdigit(c) __sbistype((c), _CTYPE_X)
100#define tolower(c) __sbtolower(c)
101#define toupper(c) __sbtoupper(c)
102#endif /* !__cplusplus */
103
104#if __XSI_VISIBLE
105/*
106 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to
107 * tolower() and toupper() respectively, minus extra checking to ensure that
108 * the argument is a lower or uppercase letter respectively. We've chosen to
109 * implement these macros with the same error checking as tolower() and
110 * toupper() since this doesn't violate the specification itself, only its
111 * intent. We purposely leave _tolower() and _toupper() undocumented to
112 * discourage their use.
113 *
114 * XXX isascii() and toascii() should similarly be undocumented.
115 */
116#define _tolower(c) __sbtolower(c)
117#define _toupper(c) __sbtoupper(c)
118#define isascii(c) (((c) & ~0x7F) == 0)
119#define toascii(c) ((c) & 0x7F)
120#endif
121
122#if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus)
123#define isblank(c) __sbistype((c), _CTYPE_B)
124#endif
125
126#if __BSD_VISIBLE
127#define digittoint(c) __sbmaskrune((c), 0xFF)
128#define ishexnumber(c) __sbistype((c), _CTYPE_X)
129#define isideogram(c) __sbistype((c), _CTYPE_I)
130#define isnumber(c) __sbistype((c), _CTYPE_D|_CTYPE_N)
131#define isphonogram(c) __sbistype((c), _CTYPE_Q)
132#define isrune(c) __sbistype((c), 0xFFFFFF00L)
133#define isspecial(c) __sbistype((c), _CTYPE_T)
134#endif
135
136#endif /* !_CTYPE_H_ */