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 98 __CTYPE_INLINE int isalnum(int c) 99 { 100 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); 101 } 102 103 __CTYPE_INLINE int isalpha(int c) 104 { 105 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); 106 } 107 108 __CTYPE_INLINE int iscntrl(int c) 109 { 110 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); 111 } 112 113 __CTYPE_INLINE int isdigit(int c) 114 { 115 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); 116 } 117 118 __CTYPE_INLINE int isgraph(int c) 119 { 120 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); 121 } 122 123 __CTYPE_INLINE int islower(int c) 124 { 125 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); 126 } 127 128 __CTYPE_INLINE int isprint(int c) 129 { 130 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); 131 } 132 133 __CTYPE_INLINE int ispunct(int c) 134 { 135 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); 136 } 137 138 __CTYPE_INLINE int isspace(int c) 139 { 140 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); 141 } 142 143 __CTYPE_INLINE int isupper(int c) 144 { 145 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); 146 } 147 148 __CTYPE_INLINE int isxdigit(int c) 149 { 150 return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X))); 151 } 152 153 __CTYPE_INLINE int tolower(int c) 154 { 155 if ((unsigned int)c > 255) 156 return (c); 157 return ((_tolower_tab_ + 1)[c]); 158 } 159 160 __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 > 600 169 __CTYPE_INLINE int isblank(int c) 170 { 171 return (c == ' ' || c == '\t'); 172 } 173 #endif 174 175 #if __BSD_VISIBLE || __XPG_VISIBLE 176 __CTYPE_INLINE int isascii(int c) 177 { 178 return ((unsigned int)c <= 0177); 179 } 180 181 __CTYPE_INLINE int toascii(int c) 182 { 183 return (c & 0177); 184 } 185 186 __CTYPE_INLINE int _tolower(int c) 187 { 188 return (c - 'A' + 'a'); 189 } 190 191 __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