1 /* $OpenBSD: ctype.h,v 1.26 2024/02/04 13:03:18 jca 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 _CTYPE_U 0x01
46 #define _CTYPE_L 0x02
47 #define _CTYPE_N 0x04
48 #define _CTYPE_S 0x08
49 #define _CTYPE_P 0x10
50 #define _CTYPE_C 0x20
51 #define _CTYPE_X 0x40
52 #define _CTYPE_B 0x80
53
54 #if __POSIX_VISIBLE >= 200809
55 #ifndef _LOCALE_T_DEFINED_
56 #define _LOCALE_T_DEFINED_
57 typedef void *locale_t;
58 #endif
59 #endif
60
61 __BEGIN_DECLS
62
63 extern const char *_ctype_;
64 extern const short *_tolower_tab_;
65 extern const short *_toupper_tab_;
66
67 #if defined(__GNUC__) || defined(_ANSI_LIBRARY)
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 #if __POSIX_VISIBLE >= 200809
95 int isalnum_l(int, locale_t);
96 int isalpha_l(int, locale_t);
97 int isblank_l(int, locale_t);
98 int iscntrl_l(int, locale_t);
99 int isdigit_l(int, locale_t);
100 int isgraph_l(int, locale_t);
101 int islower_l(int, locale_t);
102 int isprint_l(int, locale_t);
103 int ispunct_l(int, locale_t);
104 int isspace_l(int, locale_t);
105 int isupper_l(int, locale_t);
106 int isxdigit_l(int, locale_t);
107 int tolower_l(int, locale_t);
108 int toupper_l(int, locale_t);
109 #endif
110
111 #endif /* __GNUC__ || _ANSI_LIBRARY */
112
113 #if !defined(_ANSI_LIBRARY) && !defined(__cplusplus)
114
isalnum(int _c)115 __only_inline int isalnum(int _c)
116 {
117 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] &
118 (_CTYPE_U|_CTYPE_L|_CTYPE_N)));
119 }
120
isalpha(int _c)121 __only_inline int isalpha(int _c)
122 {
123 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] &
124 (_CTYPE_U|_CTYPE_L)));
125 }
126
iscntrl(int _c)127 __only_inline int iscntrl(int _c)
128 {
129 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_C));
130 }
131
isdigit(int _c)132 __only_inline int isdigit(int _c)
133 {
134 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_N));
135 }
136
isgraph(int _c)137 __only_inline int isgraph(int _c)
138 {
139 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] &
140 (_CTYPE_P|_CTYPE_U|_CTYPE_L|_CTYPE_N)));
141 }
142
islower(int _c)143 __only_inline int islower(int _c)
144 {
145 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_L));
146 }
147
isprint(int _c)148 __only_inline int isprint(int _c)
149 {
150 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] &
151 (_CTYPE_P|_CTYPE_U|_CTYPE_L|_CTYPE_N|_CTYPE_B)));
152 }
153
ispunct(int _c)154 __only_inline int ispunct(int _c)
155 {
156 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_P));
157 }
158
isspace(int _c)159 __only_inline int isspace(int _c)
160 {
161 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_S));
162 }
163
isupper(int _c)164 __only_inline int isupper(int _c)
165 {
166 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_U));
167 }
168
isxdigit(int _c)169 __only_inline int isxdigit(int _c)
170 {
171 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] &
172 (_CTYPE_N|_CTYPE_X)));
173 }
174
tolower(int _c)175 __only_inline int tolower(int _c)
176 {
177 if ((unsigned int)_c > 255)
178 return (_c);
179 return ((_tolower_tab_ + 1)[_c]);
180 }
181
toupper(int _c)182 __only_inline int toupper(int _c)
183 {
184 if ((unsigned int)_c > 255)
185 return (_c);
186 return ((_toupper_tab_ + 1)[_c]);
187 }
188
189 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
190 || __XPG_VISIBLE > 600
isblank(int _c)191 __only_inline int isblank(int _c)
192 {
193 return (_c == ' ' || _c == '\t');
194 }
195 #endif
196
197 #if __BSD_VISIBLE || __XPG_VISIBLE
isascii(int _c)198 __only_inline int isascii(int _c)
199 {
200 return ((unsigned int)_c <= 0177);
201 }
202
toascii(int _c)203 __only_inline int toascii(int _c)
204 {
205 return (_c & 0177);
206 }
207
_tolower(int _c)208 __only_inline int _tolower(int _c)
209 {
210 return (_c - 'A' + 'a');
211 }
212
_toupper(int _c)213 __only_inline int _toupper(int _c)
214 {
215 return (_c - 'a' + 'A');
216 }
217 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
218
219 #if __POSIX_VISIBLE >= 200809
220 __only_inline int
isalnum_l(int _c,locale_t _l)221 isalnum_l(int _c, locale_t _l __attribute__((__unused__)))
222 {
223 return isalnum(_c);
224 }
225
226 __only_inline int
isalpha_l(int _c,locale_t _l)227 isalpha_l(int _c, locale_t _l __attribute__((__unused__)))
228 {
229 return isalpha(_c);
230 }
231
232 __only_inline int
isblank_l(int _c,locale_t _l)233 isblank_l(int _c, locale_t _l __attribute__((__unused__)))
234 {
235 return isblank(_c);
236 }
237
238 __only_inline int
iscntrl_l(int _c,locale_t _l)239 iscntrl_l(int _c, locale_t _l __attribute__((__unused__)))
240 {
241 return iscntrl(_c);
242 }
243
244 __only_inline int
isdigit_l(int _c,locale_t _l)245 isdigit_l(int _c, locale_t _l __attribute__((__unused__)))
246 {
247 return isdigit(_c);
248 }
249
250 __only_inline int
isgraph_l(int _c,locale_t _l)251 isgraph_l(int _c, locale_t _l __attribute__((__unused__)))
252 {
253 return isgraph(_c);
254 }
255
256 __only_inline int
islower_l(int _c,locale_t _l)257 islower_l(int _c, locale_t _l __attribute__((__unused__)))
258 {
259 return islower(_c);
260 }
261
262 __only_inline int
isprint_l(int _c,locale_t _l)263 isprint_l(int _c, locale_t _l __attribute__((__unused__)))
264 {
265 return isprint(_c);
266 }
267
268 __only_inline int
ispunct_l(int _c,locale_t _l)269 ispunct_l(int _c, locale_t _l __attribute__((__unused__)))
270 {
271 return ispunct(_c);
272 }
273
274 __only_inline int
isspace_l(int _c,locale_t _l)275 isspace_l(int _c, locale_t _l __attribute__((__unused__)))
276 {
277 return isspace(_c);
278 }
279
280 __only_inline int
isupper_l(int _c,locale_t _l)281 isupper_l(int _c, locale_t _l __attribute__((__unused__)))
282 {
283 return isupper(_c);
284 }
285
286 __only_inline int
isxdigit_l(int _c,locale_t _l)287 isxdigit_l(int _c, locale_t _l __attribute__((__unused__)))
288 {
289 return isxdigit(_c);
290 }
291
292 __only_inline int
tolower_l(int _c,locale_t _l)293 tolower_l(int _c, locale_t _l __attribute__((__unused__)))
294 {
295 return tolower(_c);
296 }
297
298 __only_inline int
toupper_l(int _c,locale_t _l)299 toupper_l(int _c, locale_t _l __attribute__((__unused__)))
300 {
301 return toupper(_c);
302 }
303 #endif /* __POSIX_VISIBLE >= 200809 */
304
305 #endif /* !_ANSI_LIBRARY */
306
307 __END_DECLS
308
309 #endif /* !_CTYPE_H_ */
310