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 $ */
5 * Copyright (c) 1989 The Regents of the University of California.
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.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
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.
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
37 * @(#)ctype.h 5.3 (Berkeley) 4/3/91
43 #include <sys/cdefs.h>
56 extern const char *_ctype_;
57 extern const short *_tolower_tab_;
58 extern const short *_toupper_tab_;
60 /* extern __inline is a GNU C extension */
62 # if defined(__GNUC_STDC_INLINE__)
63 #define __CTYPE_INLINE extern __inline __attribute__((__gnu_inline__))
65 #define __CTYPE_INLINE extern __inline
68 #define __CTYPE_INLINE static __inline
71 #if defined(__GNUC__) || defined(_ANSI_LIBRARY) || defined(lint)
86 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
87 || __XPG_VISIBLE > 600
91 #if __BSD_VISIBLE || __XPG_VISIBLE
96 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
98 #endif /* __GNUC__ || _ANSI_LIBRARY || lint */
102 __CTYPE_INLINE int isalnum(int c)
104 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N)));
107 __CTYPE_INLINE int isalpha(int c)
109 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L)));
112 __CTYPE_INLINE int iscntrl(int c)
114 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C));
117 __CTYPE_INLINE int isdigit(int c)
119 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N));
122 __CTYPE_INLINE int isgraph(int c)
124 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N)));
127 __CTYPE_INLINE int islower(int c)
129 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L));
132 __CTYPE_INLINE int isprint(int c)
134 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B)));
137 __CTYPE_INLINE int ispunct(int c)
139 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P));
142 __CTYPE_INLINE int isspace(int c)
144 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S));
147 __CTYPE_INLINE int isupper(int c)
149 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U));
152 __CTYPE_INLINE int isxdigit(int c)
154 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X)));
157 __CTYPE_INLINE int tolower(int c)
159 if ((unsigned int)c > 255)
161 return ((_tolower_tab_ + 1)[c]);
164 __CTYPE_INLINE int toupper(int c)
166 if ((unsigned int)c > 255)
168 return ((_toupper_tab_ + 1)[c]);
171 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __POSIX_VISIBLE > 200112 \
172 || __XPG_VISIBLE > 600
173 __CTYPE_INLINE int isblank(int c)
175 return (c == ' ' || c == '\t');
179 #if __BSD_VISIBLE || __XPG_VISIBLE
180 __CTYPE_INLINE int isascii(int c)
182 return ((unsigned int)c <= 0177);
185 __CTYPE_INLINE int toascii(int c)
190 __CTYPE_INLINE int _tolower(int c)
192 return (c - 'A' + 'a');
195 __CTYPE_INLINE int _toupper(int c)
197 return (c - 'a' + 'A');
199 #endif /* __BSD_VISIBLE || __XPG_VISIBLE */
205 #undef __CTYPE_INLINE
207 #endif /* !_CTYPE_H_ */