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 # if defined(__GNUC_STDC_INLINE__)
63 #define __CTYPE_INLINE extern __inline __attribute__((__gnu_inline__))
64 # else
65 #define __CTYPE_INLINE extern __inline
66 # endif
67 #else
68 #define __CTYPE_INLINE static __inline
69 #endif
70
71 #if defined(__GNUC__) || defined(_ANSI_LIBRARY) || defined(lint)
72 int isalnum(int);
73 int isalpha(int);
74 int iscntrl(int);
75 int isdigit(int);
76 int isgraph(int);
77 int islower(int);
78 int isprint(int);
79 int ispunct(int);
80 int isspace(int);
81 int isupper(int);
82 int isxdigit(int);
83 int tolower(int);
84 int toupper(int);
85
86 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
87 || __XPG_VISIBLE > 600
88 int isblank(int);
89 #endif
90
91 #if __BSD_VISIBLE || __XPG_VISIBLE
92 int isascii(int);
93 int toascii(int);
94 int _tolower(int);
95 int _toupper(int);
96 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
97
98 #endif /* __GNUC__ || _ANSI_LIBRARY || lint */
99
100 #if defined(NDEBUG)
101
isalnum(int c)102 __CTYPE_INLINE int isalnum(int c)
103 {
104 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N)));
105 }
106
isalpha(int c)107 __CTYPE_INLINE int isalpha(int c)
108 {
109 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L)));
110 }
111
iscntrl(int c)112 __CTYPE_INLINE int iscntrl(int c)
113 {
114 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C));
115 }
116
isdigit(int c)117 __CTYPE_INLINE int isdigit(int c)
118 {
119 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N));
120 }
121
isgraph(int c)122 __CTYPE_INLINE int isgraph(int c)
123 {
124 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N)));
125 }
126
islower(int c)127 __CTYPE_INLINE int islower(int c)
128 {
129 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L));
130 }
131
isprint(int c)132 __CTYPE_INLINE int isprint(int c)
133 {
134 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B)));
135 }
136
ispunct(int c)137 __CTYPE_INLINE int ispunct(int c)
138 {
139 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P));
140 }
141
isspace(int c)142 __CTYPE_INLINE int isspace(int c)
143 {
144 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S));
145 }
146
isupper(int c)147 __CTYPE_INLINE int isupper(int c)
148 {
149 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U));
150 }
151
isxdigit(int c)152 __CTYPE_INLINE int isxdigit(int c)
153 {
154 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X)));
155 }
156
tolower(int c)157 __CTYPE_INLINE int tolower(int c)
158 {
159 if ((unsigned int)c > 255)
160 return (c);
161 return ((_tolower_tab_ + 1)[c]);
162 }
163
toupper(int c)164 __CTYPE_INLINE int toupper(int c)
165 {
166 if ((unsigned int)c > 255)
167 return (c);
168 return ((_toupper_tab_ + 1)[c]);
169 }
170
171 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
172 || __XPG_VISIBLE > 600
isblank(int c)173 __CTYPE_INLINE int isblank(int c)
174 {
175 return (c == ' ' || c == '\t');
176 }
177 #endif
178
179 #if __BSD_VISIBLE || __XPG_VISIBLE
isascii(int c)180 __CTYPE_INLINE int isascii(int c)
181 {
182 return ((unsigned int)c <= 0177);
183 }
184
toascii(int c)185 __CTYPE_INLINE int toascii(int c)
186 {
187 return (c & 0177);
188 }
189
_tolower(int c)190 __CTYPE_INLINE int _tolower(int c)
191 {
192 return (c - 'A' + 'a');
193 }
194
_toupper(int c)195 __CTYPE_INLINE int _toupper(int c)
196 {
197 return (c - 'a' + 'A');
198 }
199 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
200
201 #endif /* NDEBUG */
202
203 __END_DECLS
204
205 #undef __CTYPE_INLINE
206
207 #endif /* !_CTYPE_H_ */
208