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) 114 115 __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 } 120 121 __only_inline int isalpha(int _c) 122 { 123 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & 124 (_CTYPE_U|_CTYPE_L))); 125 } 126 127 __only_inline int iscntrl(int _c) 128 { 129 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_C)); 130 } 131 132 __only_inline int isdigit(int _c) 133 { 134 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_N)); 135 } 136 137 __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 } 142 143 __only_inline int islower(int _c) 144 { 145 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_L)); 146 } 147 148 __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 } 153 154 __only_inline int ispunct(int _c) 155 { 156 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_P)); 157 } 158 159 __only_inline int isspace(int _c) 160 { 161 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_S)); 162 } 163 164 __only_inline int isupper(int _c) 165 { 166 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & _CTYPE_U)); 167 } 168 169 __only_inline int isxdigit(int _c) 170 { 171 return (_c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)_c] & 172 (_CTYPE_N|_CTYPE_X))); 173 } 174 175 __only_inline int tolower(int _c) 176 { 177 if ((unsigned int)_c > 255) 178 return (_c); 179 return ((_tolower_tab_ + 1)[_c]); 180 } 181 182 __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 > 600 191 __only_inline int isblank(int _c) 192 { 193 return (_c == ' ' || _c == '\t'); 194 } 195 #endif 196 197 #if __BSD_VISIBLE || __XPG_VISIBLE 198 __only_inline int isascii(int _c) 199 { 200 return ((unsigned int)_c <= 0177); 201 } 202 203 __only_inline int toascii(int _c) 204 { 205 return (_c & 0177); 206 } 207 208 __only_inline int _tolower(int _c) 209 { 210 return (_c - 'A' + 'a'); 211 } 212 213 __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 221 isalnum_l(int _c, locale_t _l __attribute__((__unused__))) 222 { 223 return isalnum(_c); 224 } 225 226 __only_inline int 227 isalpha_l(int _c, locale_t _l __attribute__((__unused__))) 228 { 229 return isalpha(_c); 230 } 231 232 __only_inline int 233 isblank_l(int _c, locale_t _l __attribute__((__unused__))) 234 { 235 return isblank(_c); 236 } 237 238 __only_inline int 239 iscntrl_l(int _c, locale_t _l __attribute__((__unused__))) 240 { 241 return iscntrl(_c); 242 } 243 244 __only_inline int 245 isdigit_l(int _c, locale_t _l __attribute__((__unused__))) 246 { 247 return isdigit(_c); 248 } 249 250 __only_inline int 251 isgraph_l(int _c, locale_t _l __attribute__((__unused__))) 252 { 253 return isgraph(_c); 254 } 255 256 __only_inline int 257 islower_l(int _c, locale_t _l __attribute__((__unused__))) 258 { 259 return islower(_c); 260 } 261 262 __only_inline int 263 isprint_l(int _c, locale_t _l __attribute__((__unused__))) 264 { 265 return isprint(_c); 266 } 267 268 __only_inline int 269 ispunct_l(int _c, locale_t _l __attribute__((__unused__))) 270 { 271 return ispunct(_c); 272 } 273 274 __only_inline int 275 isspace_l(int _c, locale_t _l __attribute__((__unused__))) 276 { 277 return isspace(_c); 278 } 279 280 __only_inline int 281 isupper_l(int _c, locale_t _l __attribute__((__unused__))) 282 { 283 return isupper(_c); 284 } 285 286 __only_inline int 287 isxdigit_l(int _c, locale_t _l __attribute__((__unused__))) 288 { 289 return isxdigit(_c); 290 } 291 292 __only_inline int 293 tolower_l(int _c, locale_t _l __attribute__((__unused__))) 294 { 295 return tolower(_c); 296 } 297 298 __only_inline int 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