1 /* $OpenBSD: ctype.h,v 1.19 2005/12/13 00:35:22 millert Exp $ */
2 /* $NetBSD: ctype.h,v 1.14 1994/10/26 00:55:47 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1989 The Regents of the University of California.
6 * All rights reserved.
7 * (c) UNIX System Laboratories, Inc.
8 * All or some portions of this file are derived from material licensed
9 * to the University of California by American Telephone and Telegraph
10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11 * the permission of UNIX System Laboratories, Inc.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)ctype.h 5.3 (Berkeley) 4/3/91
38 */
39
40 #ifndef _CTYPE_H_
41 #define _CTYPE_H_
42
43 #include <sys/cdefs.h>
44
45 #define _U 0x01
46 #define _L 0x02
47 #define _N 0x04
48 #define _S 0x08
49 #define _P 0x10
50 #define _C 0x20
51 #define _X 0x40
52 #define _B 0x80
53
54 __BEGIN_DECLS
55
56 extern const char *_ctype_;
57 extern const short *_tolower_tab_;
58 extern const short *_toupper_tab_;
59
60 /* extern __inline is a GNU C extension */
61 #ifdef __GNUC__
62 #define __CTYPE_INLINE extern __inline
63 #else
64 #define __CTYPE_INLINE static __inline
65 #endif
66
67 #if defined(__GNUC__) || defined(_ANSI_LIBRARY) || defined(lint)
68 int isalnum(int);
69 int isalpha(int);
70 int iscntrl(int);
71 int isdigit(int);
72 int isgraph(int);
73 int islower(int);
74 int isprint(int);
75 int ispunct(int);
76 int isspace(int);
77 int isupper(int);
78 int isxdigit(int);
79 int tolower(int);
80 int toupper(int);
81
82 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
83 || __XPG_VISIBLE > 600
84 int isblank(int);
85 #endif
86
87 #if __BSD_VISIBLE || __XPG_VISIBLE
88 int isascii(int);
89 int toascii(int);
90 int _tolower(int);
91 int _toupper(int);
92 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
93
94 #endif /* __GNUC__ || _ANSI_LIBRARY || lint */
95
96 #if defined(NDEBUG)
97
isalnum(int c)98 __CTYPE_INLINE int isalnum(int c)
99 {
100 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N)));
101 }
102
isalpha(int c)103 __CTYPE_INLINE int isalpha(int c)
104 {
105 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L)));
106 }
107
iscntrl(int c)108 __CTYPE_INLINE int iscntrl(int c)
109 {
110 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C));
111 }
112
isdigit(int c)113 __CTYPE_INLINE int isdigit(int c)
114 {
115 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N));
116 }
117
isgraph(int c)118 __CTYPE_INLINE int isgraph(int c)
119 {
120 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N)));
121 }
122
islower(int c)123 __CTYPE_INLINE int islower(int c)
124 {
125 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L));
126 }
127
isprint(int c)128 __CTYPE_INLINE int isprint(int c)
129 {
130 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B)));
131 }
132
ispunct(int c)133 __CTYPE_INLINE int ispunct(int c)
134 {
135 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P));
136 }
137
isspace(int c)138 __CTYPE_INLINE int isspace(int c)
139 {
140 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S));
141 }
142
isupper(int c)143 __CTYPE_INLINE int isupper(int c)
144 {
145 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U));
146 }
147
isxdigit(int c)148 __CTYPE_INLINE int isxdigit(int c)
149 {
150 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X)));
151 }
152
tolower(int c)153 __CTYPE_INLINE int tolower(int c)
154 {
155 if ((unsigned int)c > 255)
156 return (c);
157 return ((_tolower_tab_ + 1)[c]);
158 }
159
toupper(int c)160 __CTYPE_INLINE int toupper(int c)
161 {
162 if ((unsigned int)c > 255)
163 return (c);
164 return ((_toupper_tab_ + 1)[c]);
165 }
166
167 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
168 || __XPG_VISIBLE > 600
isblank(int c)169 __CTYPE_INLINE int isblank(int c)
170 {
171 return (c == ' ' || c == '\t');
172 }
173 #endif
174
175 #if __BSD_VISIBLE || __XPG_VISIBLE
isascii(int c)176 __CTYPE_INLINE int isascii(int c)
177 {
178 return ((unsigned int)c <= 0177);
179 }
180
toascii(int c)181 __CTYPE_INLINE int toascii(int c)
182 {
183 return (c & 0177);
184 }
185
_tolower(int c)186 __CTYPE_INLINE int _tolower(int c)
187 {
188 return (c - 'A' + 'a');
189 }
190
_toupper(int c)191 __CTYPE_INLINE int _toupper(int c)
192 {
193 return (c - 'a' + 'A');
194 }
195 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
196
197 #endif /* NDEBUG */
198
199 __END_DECLS
200
201 #undef __CTYPE_INLINE
202
203 #endif /* !_CTYPE_H_ */
204