1 '\" te 2 .\" Copyright (c) 1992, X/Open Company Limited. All Rights Reserved. Portions Copyright (c) 2004, Sun Microsystems, Inc. All Rights Reserved. 3 .\" Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to reproduce portions of its copyrighted documentation. Original documentation from The Open Group can be obtained online at 4 .\" http://www.opengroup.org/bookstore/. 5 .\" The Institute of Electrical and Electronics Engineers and The Open Group, have given us permission to reprint portions of their documentation. In the following statement, the phrase "this text" refers to portions of the system documentation. Portions of this text are reprinted and reproduced in electronic form in the Sun OS Reference Manual, from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between these versions and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html. 6 .\" This notice shall appear on any product containing this material. 7 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). 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If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner] 10 .TH ISWALPHA 3C "Apr 19, 2004" 11 .SH NAME 12 iswalpha, isenglish, isideogram, iswideogram, isnumber, iswnumber, 13 isphonogram, iswphonogram, isspecial, iswspecial, iswalnum, iswascii, 14 iswblank, iswcntrl, iswdigit, iswgraph, iswlower, iswprint, iswpunct, 15 iswspace, iswupper, iswxdigit, iswhexnumber, iswalpha_l, iswideogram_l, 16 iswnumber_l, iswphonogram_l, iswspecial_l, iswalnum_l, iswascii_l, 17 iswblank_l, iswcntrl_l, iswdigit_l, iswgraph_l, iswlower_l, iswprint_l, 18 iswpunct_l, iswspace_l, iswupper_l, iswhexnumber_l \- wide-character 19 code classification functions 20 21 .SH SYNOPSIS 22 .LP 23 .nf 24 #include <wchar.h> 25 #include <wctype.h> 26 27 \fBint\fR \fBiswalpha\fR(\fBwint_t\fR \fIwc\fR); 28 .fi 29 30 .LP 31 .nf 32 \fBint\fR \fBisenglish\fR(\fBwint_t\fR \fIwc\fR); 33 .fi 34 35 .LP 36 .nf 37 \fBint\fR \fBisideogram\fR(\fBwint_t\fR \fIwc\fR); 38 .fi 39 40 .LP 41 .nf 42 \fBint\fR \fBisnumber\fR(\fBwint_t\fR \fIwc\fR); 43 .fi 44 45 .LP 46 .nf 47 \fBint\fR \fBisphonogram\fR(\fBwint_t\fR \fIwc\fR); 48 .fi 49 50 .LP 51 .nf 52 \fBint\fR \fBisspecial\fR(\fBwint_t\fR \fIwc\fR); 53 .fi 54 55 .LP 56 .nf 57 \fBint\fR \fBiswalnum\fR(\fBwint_t\fR \fIwc\fR); 58 .fi 59 60 .LP 61 .nf 62 \fBint\fR \fBiswascii\fR(\fBwint_t\fR \fIwc\fR); 63 .fi 64 65 .LP 66 .nf 67 \fBint\fR \fBiswblank\fR(\fBwint_t\fR \fIwc\fR); 68 .fi 69 70 .LP 71 .nf 72 \fBint\fR \fBiswcntrl\fR(\fBwint_t\fR \fIwc\fR); 73 .fi 74 75 .LP 76 .nf 77 \fBint\fR \fBiswdigit\fR(\fBwint_t\fR \fIwc\fR); 78 .fi 79 80 .LP 81 .nf 82 \fBint\fR \fBiswgraph\fR(\fBwint_t\fR \fIwc\fR); 83 .fi 84 85 .LP 86 .nf 87 \fBint\fR \fBiswlower\fR(\fBwint_t\fR \fIwc\fR); 88 .fi 89 90 .LP 91 .nf 92 \fBint\fR \fBiswprint\fR(\fBwint_t\fR \fIwc\fR); 93 .fi 94 95 .LP 96 .nf 97 \fBint\fR \fBiswpunct\fR(\fBwint_t\fR \fIwc\fR); 98 .fi 99 100 .LP 101 .nf 102 \fBint\fR \fBiswspace\fR(\fBwint_t\fR \fIwc\fR); 103 .fi 104 105 .LP 106 .nf 107 \fBint\fR \fBiswupper\fR(\fBwint_t\fR \fIwc\fR); 108 .fi 109 110 .LP 111 .nf 112 \fBint\fR \fBiswxdigit\fR(\fBwint_t\fR \fIwc\fR); 113 .fi 114 115 .LP 116 .nf 117 \fBint\fR \fBiswideogram\fR(\fBwint_t\fR \fIwc\fR); 118 .fi 119 120 .LP 121 .nf 122 \fBint\fR \fBiswnumber\fR(\fBwint_t\fR \fIwc\fR); 123 .fi 124 125 .LP 126 .nf 127 \fBint\fR \fBiswphonogram\fR(\fBwint_t\fR \fIwc\fR); 128 .fi 129 130 .LP 131 .nf 132 \fBint\fR \fBiswspecial\fR(\fBwint_t\fR \fIwc\fR); 133 .fi 134 135 XXX 136 137 .LP 138 .nf 139 \fBint\fR \fBiswalpha\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 140 .fi 141 142 .LP 143 .nf 144 \fBint\fR \fBiswideogram\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 145 .fi 146 147 .LP 148 .nf 149 \fBint\fR \fBiswnumber\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 150 .fi 151 152 .LP 153 .nf 154 \fBint\fR \fBiswphonogram\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 155 .fi 156 157 .LP 158 .nf 159 \fBint\fR \fBiswspecial\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 160 .fi 161 162 .LP 163 .nf 164 \fBint\fR \fBiswalnum\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 165 .fi 166 167 .LP 168 .nf 169 \fBint\fR \fBiswascii\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 170 .fi 171 172 .LP 173 .nf 174 \fBint\fR \fBiswblank\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 175 .fi 176 177 .LP 178 .nf 179 \fBint\fR \fBiswcntrl\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 180 .fi 181 182 .LP 183 .nf 184 \fBint\fR \fBiswdigit\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 185 .fi 186 187 .LP 188 .nf 189 \fBint\fR \fBiswgraph\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 190 .fi 191 192 .LP 193 .nf 194 \fBint\fR \fBiswlower\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 195 .fi 196 197 .LP 198 .nf 199 \fBint\fR \fBiswprint\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 200 .fi 201 202 .LP 203 .nf 204 \fBint\fR \fBiswpunct\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 205 .fi 206 207 .LP 208 .nf 209 \fBint\fR \fBiswspace\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 210 .fi 211 212 .LP 213 .nf 214 \fBint\fR \fBiswupper\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 215 .fi 216 217 .LP 218 .nf 219 \fBint\fR \fBiswxdigit\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 220 .fi 221 222 #include <xlocale.h> 223 224 .LP 225 .nf 226 \fBint\fR \fBiswhexnumber\fR(\fBwint_t\fR \fIwc\fR); 227 .fi 228 229 .LP 230 .nf 231 \fBint\fR \fBiswhexnumber\fR(\fBwint_t\fR \fIwc\fR, \fBlocale_t\fR \fIloc\fR); 232 .fi 233 234 .SH DESCRIPTION 235 .sp 236 .LP 237 These functions test whether \fIwc\fR is a wide-character code representing a 238 character of a particular class defined in the \fBLC_CTYPE\fR category of the 239 current locale as determined by \fBsetlocale\fR(3C) and 240 \fBuselocale\fR(3C). 241 .sp 242 .LP 243 The functions \fBiswalpha_l()\fR, \fBiswideogram_l()\fR, \fBiswnumber_l()\fR, 244 \fBiswphonogram_l()\fR, \fBiswspecial_l()\fR, \fBiswalnum_l()\fR, 245 \fBiswascii_l()\fR, \fBiswblank_l()\fR, \fBiswcntrl_l()\fR, \fBiswdigit_l()\fR, 246 \fBiswgraph_l()\fR, \fBiswlower_l()\fR, \fBiswprint_l()\fR, \fBiswpunct_l()\fR, 247 \fBiswspace_l()\fR, \fBiswupper_l()\fR, all behave identically to their 248 counterparts without the '\fB_l\fR' suffix, but instead of operating on the 249 current locale, they operate on the locale specified by \fIloc\fR. 250 .sp 251 .LP 252 The functions, \fBiswideogram()\fR, \fBiswnumber()\fR, \fBiswphonogram()\fR, 253 \fBiswspecial()\fR, and \fBiswhexnumber()\fR, are respectively identical to 254 \fBisideogram()\fR, \fBisnumber()\fR, \fBisphonogram()\fR, \fBisspecial()\fR, 255 \fBiswxdigit()\fR respectively. They are provided for compatability purposes. 256 .sp 257 .LP 258 In all cases, \fIwc\fR is a \fBwint_t\fR, the value of which must be a 259 wide-character code corresponding to a valid character in the current locale or 260 must equal the value of the macro \fBWEOF\fR. If the argument has any other 261 values, the behavior is undefined. 262 .sp 263 .ne 2 264 .na 265 \fB\fBiswalpha(\fR\fIwc\fR\fB)\fR\fR 266 .ad 267 .RS 19n 268 Tests whether \fIwc\fR is a wide-character code representing a character of 269 class "alpha" in the program's current locale. 270 .RE 271 272 .sp 273 .ne 2 274 .na 275 \fB\fBisenglish(\fR\fIwc\fR\fB)\fR\fR 276 .ad 277 .RS 19n 278 Tests whether \fIwc\fR is a wide-character code representing an English 279 language character, excluding \fBASCII\fR characters. 280 .RE 281 282 .sp 283 .ne 2 284 .na 285 \fB\fBisideogram(\fR\fIwc\fR\fB)\fR\fR 286 .ad 287 .RS 19n 288 Tests whether \fIwc\fR is a wide-character code representing an ideographic 289 language character, excluding \fBASCII\fR characters. 290 .RE 291 292 .sp 293 .ne 2 294 .na 295 \fB\fBisnumber(\fR\fIwc\fR\fB)\fR\fR 296 .ad 297 .RS 19n 298 Tests whether \fIwc\fR is a wide-character code representing digit [0\(mi9], 299 excluding \fBASCII\fR characters. 300 .RE 301 302 .sp 303 .ne 2 304 .na 305 \fB\fBisphonogram(\fR\fIwc\fR\fB)\fR\fR 306 .ad 307 .RS 19n 308 Tests whether \fIwc\fR is a wide-character code representing a phonetic 309 language character, excluding \fBASCII\fR characters. 310 .RE 311 312 .sp 313 .ne 2 314 .na 315 \fB\fBisspecial(\fR\fIwc\fR\fB)\fR\fR 316 .ad 317 .RS 19n 318 Tests whether \fIwc\fR is a wide-character code representing a special language 319 character, excluding \fBASCII\fR characters. 320 .RE 321 322 .sp 323 .ne 2 324 .na 325 \fB\fBiswalnum(\fR\fIwc\fR\fB)\fR\fR 326 .ad 327 .RS 19n 328 Tests whether \fIwc\fR is a wide-character code representing a character of 329 class "alpha" or "digit" in the program's current locale. 330 .RE 331 332 .sp 333 .ne 2 334 .na 335 \fB\fBiswascii(\fR\fIwc\fR\fB)\fR\fR 336 .ad 337 .RS 19n 338 Tests whether \fIwc\fR is a wide-character code representing an \fBASCII\fR 339 character. 340 .RE 341 342 .sp 343 .ne 2 344 .na 345 \fB\fBiswblank(\fR\fIwc\fR\fB)\fR\fR 346 .ad 347 .RS 19n 348 Tests whether \fIwc\fR is a wide-character code representing a character of 349 class "blank" in the program's current locale. This function is not available 350 to applications conforming to standards prior to SUSv3. See \fBstandards\fR(5). 351 .RE 352 353 .sp 354 .ne 2 355 .na 356 \fB\fBiswlower(\fR\fIwc\fR\fB)\fR\fR 357 .ad 358 .RS 19n 359 Tests whether \fIwc\fR is a wide-character code representing a character of 360 class "lower" in the program's current locale. 361 .RE 362 363 .sp 364 .ne 2 365 .na 366 \fB\fBiswcntrl(\fR\fIwc\fR\fB)\fR\fR 367 .ad 368 .RS 19n 369 Tests whether \fIwc\fR is a wide-character code representing a character of 370 class "cntrl" in the program's current locale. 371 .RE 372 373 .sp 374 .ne 2 375 .na 376 \fB\fBiswdigit(\fR\fIwc\fR\fB)\fR\fR 377 .ad 378 .RS 19n 379 Tests whether \fIwc\fR is a wide-character code representing a character of 380 class "digit" in the program's current locale. 381 .RE 382 383 .sp 384 .ne 2 385 .na 386 \fB\fBiswgraph(\fR\fIwc\fR\fB)\fR\fR 387 .ad 388 .RS 19n 389 Tests whether \fIwc\fR is a wide-character code representing a character of 390 class "graph" in the program's current locale. 391 .RE 392 393 .sp 394 .ne 2 395 .na 396 \fB\fBiswprint(\fR\fIwc\fR\fB)\fR\fR 397 .ad 398 .RS 19n 399 Tests whether \fIwc\fR is a wide-character code representing a character of 400 class "print" in the program's current locale. 401 .RE 402 403 .sp 404 .ne 2 405 .na 406 \fB\fBiswpunct(\fR\fIwc\fR\fB)\fR\fR 407 .ad 408 .RS 19n 409 Tests whether \fIwc\fR is a wide-character code representing a character of 410 class "punct" in the program's current locale. 411 .RE 412 413 .sp 414 .ne 2 415 .na 416 \fB\fBiswspace(\fR\fIwc\fR\fB)\fR\fR 417 .ad 418 .RS 19n 419 Tests whether \fIwc\fR is a wide-character code representing a character of 420 class "space" in the program's current locale. 421 .RE 422 423 .sp 424 .ne 2 425 .na 426 \fB\fBiswupper(\fR\fIwc\fR\fB)\fR\fR 427 .ad 428 .RS 19n 429 Tests whether \fIwc\fR is a wide-character code representing a character of 430 class "upper" in the program's current locale. 431 .RE 432 433 .sp 434 .ne 2 435 .na 436 \fB\fBiswxdigit(\fR\fIwc\fR\fB)\fR\fR 437 .ad 438 .RS 19n 439 Tests whether \fIwc\fR is a wide-character code representing a character of 440 class "xdigit" in the program's current locale. 441 .RE 442 443 .SH ATTRIBUTES 444 .sp 445 .LP 446 See \fBattributes\fR(5) for descriptions of the following attributes: 447 .sp 448 449 .sp 450 .TS 451 box; 452 l | l 453 l | l . 454 ATTRIBUTE TYPE ATTRIBUTE VALUE 455 _ 456 CSI Enabled 457 _ 458 Interface Stability See below. 459 _ 460 MT-Level MT-Safe with exceptions 461 .TE 462 463 .sp 464 .LP 465 The \fBiswalpha()\fR, \fBiswalnum()\fR, \fBiswblank()\fR, \fBiswcntrl()\fR, 466 \fBiswdigit()\fR, \fBiswgraph()\fR, \fBiswlower()\fR, \fBiswprint()\fR, 467 \fBiswpunct()\fR, \fBiswspace()\fR, \fBiswupper()\fR, and \fBiswxdigit()\fR 468 functions are Standard. 469 .sp 470 .LP 471 The \fBiswalpha_l()\fR, \fBiswalnum_l()\fR, \fBiswblank_l()\fR, \fBiswcntrl_l()\fR, 472 \fBiswdigit_l()\fR, \fBiswgraph_l()\fR, \fBiswlower_l()\fR, \fBiswprint_l()\fR, 473 \fBiswpunct_l()\fR, \fBiswspace_l()\fR, and \fBiswupper_l()\fR 474 functions are Standard. 475 .SH SEE ALSO 476 .sp 477 .LP 478 \fBlocaledef\fR(1), \fBsetlocale\fR(3C), \fBstdio\fR(3C), \fBuselocale\fR(3C), 479 \fBascii\fR(5), \fBattributes\fR(5), \fBstandards\fR(5)