summaryrefslogtreecommitdiff
path: root/include/ctype.h
blob: 753c68a7de9b4837cd6d3fa477d5a67e4355079c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*	$OpenBSD: ctype.h,v 1.17 2004/04/02 22:37:12 avsm Exp $	*/
/*	$NetBSD: ctype.h,v 1.14 1994/10/26 00:55:47 cgd Exp $	*/

/*
 * Copyright (c) 1989 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.
 *
 * 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	5.3 (Berkeley) 4/3/91
 */

#ifndef _CTYPE_H_
#define _CTYPE_H_
#include <sys/cdefs.h>

#define	_U	0x01
#define	_L	0x02
#define	_N	0x04
#define	_S	0x08
#define	_P	0x10
#define	_C	0x20
#define	_X	0x40
#define	_B	0x80

__BEGIN_DECLS

extern const char	*_ctype_;
extern const short	*_tolower_tab_;
extern const short	*_toupper_tab_;

/* extern __inline is a GNU C extension */
#ifdef __GNUC__
#define	__CTYPE_INLINE	extern __inline
#else
#define	__CTYPE_INLINE	static __inline
#endif

#if defined(__GNUC__) || defined(_ANSI_LIBRARY) || defined(lint)
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 !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
int	isblank(int);
int	isascii(int);
int	toascii(int);
int	_tolower(int);
int	_toupper(int);
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */

#endif /* __GNUC__ || _ANSI_LIBRARY || lint */

#if !defined(_ANSI_LIBRARY) && !defined(lint)

__CTYPE_INLINE int isalnum(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N)));
}

__CTYPE_INLINE int isalpha(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L)));
}

__CTYPE_INLINE int iscntrl(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C));
}

__CTYPE_INLINE int isdigit(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N));
}

__CTYPE_INLINE int isgraph(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N)));
}

__CTYPE_INLINE int islower(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L));
}

__CTYPE_INLINE int isprint(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B)));
}

__CTYPE_INLINE int ispunct(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P));
}

__CTYPE_INLINE int isspace(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S));
}

__CTYPE_INLINE int isupper(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U));
}

__CTYPE_INLINE int isxdigit(int c)
{
	return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X)));
}

__CTYPE_INLINE int tolower(int c)
{
	if ((unsigned int)c > 0177)
		return (c);
	return ((_tolower_tab_ + 1)[c]);
}

__CTYPE_INLINE int toupper(int c)
{
	if ((unsigned int)c > 0177)
		return (c);
	return ((_toupper_tab_ + 1)[c]);
}

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
__CTYPE_INLINE int isblank(int c)
{
	return (c == ' ' || c == '\t');
}

__CTYPE_INLINE int isascii(int c)
{
	return ((unsigned int)c <= 0177);
}

__CTYPE_INLINE int toascii(int c)
{
	return (c & 0177);
}

__CTYPE_INLINE int _tolower(int c)
{
	return (c - 'A' + 'a');
}

__CTYPE_INLINE int _toupper(int c)
{
	return (c - 'a' + 'A');
}
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */

#endif /* !_ANSI_LIBRARY && !lint */

__END_DECLS

#undef __CTYPE_INLINE

#endif /* !_CTYPE_H_ */