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9e6e344e | 1 | /* Copyright (C) 1995-2004,2005,2006,2007 Free Software Foundation, Inc. |
b5791037 | 2 | This file is part of the GNU C Library. |
30de3b18 | 3 | |
b5791037 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
30de3b18 | 8 | |
b5791037 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
30de3b18 | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
30de3b18 RM |
18 | |
19 | /* | |
d1646309 UD |
20 | * ISO C99 Standard: 7.24 |
21 | * Extended multibyte and wide character utilities <wchar.h> | |
30de3b18 RM |
22 | */ |
23 | ||
24 | #ifndef _WCHAR_H | |
5107cf1d | 25 | |
7b503bcc | 26 | #if !defined __need_mbstate_t && !defined __need_wint_t |
d64b6ad0 UD |
27 | # define _WCHAR_H 1 |
28 | # include <features.h> | |
29 | #endif | |
30de3b18 | 30 | |
d64b6ad0 | 31 | #ifdef _WCHAR_H |
9756dfe1 | 32 | /* Get FILE definition. */ |
d1646309 | 33 | # define __need___FILE |
d9826675 UD |
34 | # ifdef __USE_UNIX98 |
35 | # define __need_FILE | |
36 | # endif | |
d64b6ad0 | 37 | # include <stdio.h> |
655c0697 UD |
38 | /* Get va_list definition. */ |
39 | # define __need___va_list | |
d64b6ad0 | 40 | # include <stdarg.h> |
30de3b18 | 41 | |
7b503bcc UD |
42 | # include <bits/wchar.h> |
43 | ||
59dd8641 | 44 | /* Get size_t, wchar_t, wint_t and NULL from <stddef.h>. */ |
d64b6ad0 UD |
45 | # define __need_size_t |
46 | # define __need_wchar_t | |
47 | # define __need_NULL | |
48 | #endif | |
7b503bcc UD |
49 | #if defined _WCHAR_H || defined __need_wint_t || !defined __WINT_TYPE__ |
50 | # undef __need_wint_t | |
51 | # define __need_wint_t | |
52 | # include <stddef.h> | |
417bafec | 53 | |
71a40c74 RM |
54 | /* We try to get wint_t from <stddef.h>, but not all GCC versions define it |
55 | there. So define it ourselves if it remains undefined. */ | |
7b503bcc | 56 | # ifndef _WINT_T |
71a40c74 RM |
57 | /* Integral type unchanged by default argument promotions that can |
58 | hold any value corresponding to members of the extended character | |
59 | set, as well as at least one value that does not correspond to any | |
60 | member of the extended character set. */ | |
7b503bcc | 61 | # define _WINT_T |
71a40c74 | 62 | typedef unsigned int wint_t; |
7b503bcc | 63 | # else |
e6d32996 UD |
64 | /* Work around problems with the <stddef.h> file which doesn't put |
65 | wint_t in the std namespace. */ | |
7b503bcc UD |
66 | # if defined __cplusplus && defined _GLIBCPP_USE_NAMESPACES \ |
67 | && defined __WINT_TYPE__ | |
e6d32996 UD |
68 | __BEGIN_NAMESPACE_STD |
69 | typedef __WINT_TYPE__ wint_t; | |
70 | __END_NAMESPACE_STD | |
7b503bcc | 71 | # endif |
7a5affeb | 72 | # endif |
71a40c74 RM |
73 | #endif |
74 | ||
7b503bcc | 75 | #if (defined _WCHAR_H || defined __need_mbstate_t) && !defined __mbstate_t_defined |
d64b6ad0 | 76 | # define __mbstate_t_defined 1 |
30de3b18 | 77 | /* Conversion state information. */ |
07a4742f RM |
78 | typedef struct |
79 | { | |
aa831d6d UD |
80 | int __count; |
81 | union | |
82 | { | |
7b503bcc UD |
83 | # ifdef __WINT_TYPE__ |
84 | __WINT_TYPE__ __wch; | |
85 | # else | |
aa831d6d | 86 | wint_t __wch; |
7b503bcc | 87 | # endif |
aa831d6d UD |
88 | char __wchb[4]; |
89 | } __value; /* Value so far. */ | |
d64b6ad0 UD |
90 | } __mbstate_t; |
91 | #endif | |
92 | #undef __need_mbstate_t | |
93 | ||
94 | ||
95 | /* The rest of the file is only used if used if __need_mbstate_t is not | |
96 | defined. */ | |
97 | #ifdef _WCHAR_H | |
98 | ||
7a5affeb | 99 | __BEGIN_NAMESPACE_C99 |
d64b6ad0 UD |
100 | /* Public type. */ |
101 | typedef __mbstate_t mbstate_t; | |
7a5affeb UD |
102 | __END_NAMESPACE_C99 |
103 | #ifdef __USE_GNU | |
104 | __USING_NAMESPACE_C99(mbstate_t) | |
105 | #endif | |
30de3b18 | 106 | |
cc3fa755 UD |
107 | #ifndef WCHAR_MIN |
108 | /* These constants might also be defined in <inttypes.h>. */ | |
417bafec UD |
109 | # define WCHAR_MIN __WCHAR_MIN |
110 | # define WCHAR_MAX __WCHAR_MAX | |
cc3fa755 | 111 | #endif |
30de3b18 RM |
112 | |
113 | #ifndef WEOF | |
114 | # define WEOF (0xffffffffu) | |
115 | #endif | |
116 | ||
e918a7fe UD |
117 | /* For XPG4 compliance we have to define the stuff from <wctype.h> here |
118 | as well. */ | |
119 | #if defined __USE_XOPEN && !defined __USE_UNIX98 | |
120 | # include <wctype.h> | |
121 | #endif | |
122 | ||
7a5affeb UD |
123 | |
124 | __BEGIN_DECLS | |
125 | ||
126 | __BEGIN_NAMESPACE_STD | |
9756dfe1 UD |
127 | /* This incomplete type is defined in <time.h> but needed here because |
128 | of `wcsftime'. */ | |
129 | struct tm; | |
2e0e802a | 130 | __END_NAMESPACE_STD |
7a5affeb UD |
131 | /* XXX We have to clean this up at some point. Since tm is in the std |
132 | namespace but wcsftime is in __c99 the type wouldn't be found | |
133 | without inserting it in the global namespace. */ | |
134 | __USING_NAMESPACE_STD(tm) | |
9756dfe1 UD |
135 | |
136 | ||
7a5affeb | 137 | __BEGIN_NAMESPACE_C99 |
30de3b18 | 138 | /* Copy SRC to DEST. */ |
c1422e5b UD |
139 | extern wchar_t *wcscpy (wchar_t *__restrict __dest, |
140 | __const wchar_t *__restrict __src) __THROW; | |
30de3b18 | 141 | /* Copy no more than N wide-characters of SRC to DEST. */ |
c1422e5b UD |
142 | extern wchar_t *wcsncpy (wchar_t *__restrict __dest, |
143 | __const wchar_t *__restrict __src, size_t __n) | |
144 | __THROW; | |
30de3b18 RM |
145 | |
146 | /* Append SRC onto DEST. */ | |
c1422e5b UD |
147 | extern wchar_t *wcscat (wchar_t *__restrict __dest, |
148 | __const wchar_t *__restrict __src) __THROW; | |
30de3b18 | 149 | /* Append no more than N wide-characters of SRC onto DEST. */ |
c1422e5b UD |
150 | extern wchar_t *wcsncat (wchar_t *__restrict __dest, |
151 | __const wchar_t *__restrict __src, size_t __n) | |
152 | __THROW; | |
30de3b18 RM |
153 | |
154 | /* Compare S1 and S2. */ | |
fb4dfa0c AJ |
155 | extern int wcscmp (__const wchar_t *__s1, __const wchar_t *__s2) |
156 | __THROW __attribute_pure__; | |
30de3b18 | 157 | /* Compare N wide-characters of S1 and S2. */ |
c1422e5b | 158 | extern int wcsncmp (__const wchar_t *__s1, __const wchar_t *__s2, size_t __n) |
fb4dfa0c | 159 | __THROW __attribute_pure__; |
7a5affeb | 160 | __END_NAMESPACE_C99 |
30de3b18 | 161 | |
2f6d1f1b UD |
162 | #ifdef __USE_GNU |
163 | /* Compare S1 and S2, ignoring case. */ | |
c1422e5b | 164 | extern int wcscasecmp (__const wchar_t *__s1, __const wchar_t *__s2) __THROW; |
2f6d1f1b UD |
165 | |
166 | /* Compare no more than N chars of S1 and S2, ignoring case. */ | |
c1422e5b UD |
167 | extern int wcsncasecmp (__const wchar_t *__s1, __const wchar_t *__s2, |
168 | size_t __n) __THROW; | |
0501d603 UD |
169 | |
170 | /* Similar to the two functions above but take the information from | |
171 | the provided locale and not the global locale. */ | |
172 | # include <xlocale.h> | |
173 | ||
1ab62b32 RM |
174 | extern int wcscasecmp_l (__const wchar_t *__s1, __const wchar_t *__s2, |
175 | __locale_t __loc) __THROW; | |
0501d603 | 176 | |
1ab62b32 RM |
177 | extern int wcsncasecmp_l (__const wchar_t *__s1, __const wchar_t *__s2, |
178 | size_t __n, __locale_t __loc) __THROW; | |
2f6d1f1b UD |
179 | #endif |
180 | ||
7a5affeb | 181 | __BEGIN_NAMESPACE_C99 |
75cd5204 RM |
182 | /* Compare S1 and S2, both interpreted as appropriate to the |
183 | LC_COLLATE category of the current locale. */ | |
c1422e5b | 184 | extern int wcscoll (__const wchar_t *__s1, __const wchar_t *__s2) __THROW; |
75cd5204 RM |
185 | /* Transform S2 into array pointed to by S1 such that if wcscmp is |
186 | applied to two transformed strings the result is the as applying | |
187 | `wcscoll' to the original strings. */ | |
c1422e5b UD |
188 | extern size_t wcsxfrm (wchar_t *__restrict __s1, |
189 | __const wchar_t *__restrict __s2, size_t __n) __THROW; | |
7a5affeb | 190 | __END_NAMESPACE_C99 |
75cd5204 | 191 | |
c84142e8 UD |
192 | #ifdef __USE_GNU |
193 | /* Similar to the two functions above but take the information from | |
194 | the provided locale and not the global locale. */ | |
c84142e8 UD |
195 | |
196 | /* Compare S1 and S2, both interpreted as appropriate to the | |
197 | LC_COLLATE category of the given locale. */ | |
1ab62b32 RM |
198 | extern int wcscoll_l (__const wchar_t *__s1, __const wchar_t *__s2, |
199 | __locale_t __loc) __THROW; | |
200 | ||
c84142e8 UD |
201 | /* Transform S2 into array pointed to by S1 such that if wcscmp is |
202 | applied to two transformed strings the result is the as applying | |
203 | `wcscoll' to the original strings. */ | |
1ab62b32 RM |
204 | extern size_t wcsxfrm_l (wchar_t *__s1, __const wchar_t *__s2, |
205 | size_t __n, __locale_t __loc) __THROW; | |
c84142e8 | 206 | |
30de3b18 | 207 | /* Duplicate S, returning an identical malloc'd string. */ |
fb4dfa0c | 208 | extern wchar_t *wcsdup (__const wchar_t *__s) __THROW __attribute_malloc__; |
1618c590 | 209 | #endif |
30de3b18 | 210 | |
7a5affeb | 211 | __BEGIN_NAMESPACE_C99 |
6d52618b | 212 | /* Find the first occurrence of WC in WCS. */ |
fb4dfa0c AJ |
213 | extern wchar_t *wcschr (__const wchar_t *__wcs, wchar_t __wc) |
214 | __THROW __attribute_pure__; | |
6d52618b | 215 | /* Find the last occurrence of WC in WCS. */ |
fb4dfa0c AJ |
216 | extern wchar_t *wcsrchr (__const wchar_t *__wcs, wchar_t __wc) |
217 | __THROW __attribute_pure__; | |
7a5affeb | 218 | __END_NAMESPACE_C99 |
30de3b18 | 219 | |
d64b6ad0 | 220 | #ifdef __USE_GNU |
557a9213 | 221 | /* This function is similar to `wcschr'. But it returns a pointer to |
d64b6ad0 | 222 | the closing NUL wide character in case C is not found in S. */ |
fb4dfa0c AJ |
223 | extern wchar_t *wcschrnul (__const wchar_t *__s, wchar_t __wc) |
224 | __THROW __attribute_pure__; | |
d64b6ad0 UD |
225 | #endif |
226 | ||
7a5affeb | 227 | __BEGIN_NAMESPACE_C99 |
30de3b18 | 228 | /* Return the length of the initial segmet of WCS which |
1618c590 | 229 | consists entirely of wide characters not in REJECT. */ |
c1422e5b | 230 | extern size_t wcscspn (__const wchar_t *__wcs, __const wchar_t *__reject) |
fb4dfa0c | 231 | __THROW __attribute_pure__; |
30de3b18 | 232 | /* Return the length of the initial segmet of WCS which |
1618c590 | 233 | consists entirely of wide characters in ACCEPT. */ |
c1422e5b | 234 | extern size_t wcsspn (__const wchar_t *__wcs, __const wchar_t *__accept) |
fb4dfa0c | 235 | __THROW __attribute_pure__; |
6d52618b | 236 | /* Find the first occurrence in WCS of any character in ACCEPT. */ |
c1422e5b | 237 | extern wchar_t *wcspbrk (__const wchar_t *__wcs, __const wchar_t *__accept) |
fb4dfa0c | 238 | __THROW __attribute_pure__; |
6d52618b | 239 | /* Find the first occurrence of NEEDLE in HAYSTACK. */ |
c1422e5b | 240 | extern wchar_t *wcsstr (__const wchar_t *__haystack, __const wchar_t *__needle) |
fb4dfa0c | 241 | __THROW __attribute_pure__; |
e918a7fe | 242 | |
30de3b18 | 243 | /* Divide WCS into tokens separated by characters in DELIM. */ |
c1422e5b UD |
244 | extern wchar_t *wcstok (wchar_t *__restrict __s, |
245 | __const wchar_t *__restrict __delim, | |
246 | wchar_t **__restrict __ptr) __THROW; | |
30de3b18 | 247 | |
1618c590 | 248 | /* Return the number of wide characters in S. */ |
fb4dfa0c | 249 | extern size_t wcslen (__const wchar_t *__s) __THROW __attribute_pure__; |
7a5affeb UD |
250 | __END_NAMESPACE_C99 |
251 | ||
252 | #ifdef __USE_XOPEN | |
253 | /* Another name for `wcsstr' from XPG4. */ | |
254 | extern wchar_t *wcswcs (__const wchar_t *__haystack, __const wchar_t *__needle) | |
255 | __THROW __attribute_pure__; | |
256 | #endif | |
30de3b18 | 257 | |
4bca4c17 UD |
258 | #ifdef __USE_GNU |
259 | /* Return the number of wide characters in S, but at most MAXLEN. */ | |
fb4dfa0c AJ |
260 | extern size_t wcsnlen (__const wchar_t *__s, size_t __maxlen) |
261 | __THROW __attribute_pure__; | |
4bca4c17 UD |
262 | #endif |
263 | ||
30de3b18 | 264 | |
7a5affeb | 265 | __BEGIN_NAMESPACE_C99 |
1618c590 | 266 | /* Search N wide characters of S for C. */ |
c1422e5b | 267 | extern wchar_t *wmemchr (__const wchar_t *__s, wchar_t __c, size_t __n) |
fb4dfa0c | 268 | __THROW __attribute_pure__; |
30de3b18 | 269 | |
1618c590 | 270 | /* Compare N wide characters of S1 and S2. */ |
c1422e5b | 271 | extern int wmemcmp (__const wchar_t *__restrict __s1, |
fb4dfa0c AJ |
272 | __const wchar_t *__restrict __s2, size_t __n) |
273 | __THROW __attribute_pure__; | |
30de3b18 | 274 | |
1618c590 | 275 | /* Copy N wide characters of SRC to DEST. */ |
c1422e5b UD |
276 | extern wchar_t *wmemcpy (wchar_t *__restrict __s1, |
277 | __const wchar_t *__restrict __s2, size_t __n) __THROW; | |
30de3b18 | 278 | |
1618c590 | 279 | /* Copy N wide characters of SRC to DEST, guaranteeing |
30de3b18 | 280 | correct behavior for overlapping strings. */ |
c1422e5b UD |
281 | extern wchar_t *wmemmove (wchar_t *__s1, __const wchar_t *__s2, size_t __n) |
282 | __THROW; | |
30de3b18 | 283 | |
1618c590 | 284 | /* Set N wide characters of S to C. */ |
c1422e5b | 285 | extern wchar_t *wmemset (wchar_t *__s, wchar_t __c, size_t __n) __THROW; |
7a5affeb | 286 | __END_NAMESPACE_C99 |
30de3b18 | 287 | |
d64b6ad0 UD |
288 | #ifdef __USE_GNU |
289 | /* Copy N wide characters of SRC to DEST and return pointer to following | |
290 | wide character. */ | |
c1422e5b UD |
291 | extern wchar_t *wmempcpy (wchar_t *__restrict __s1, |
292 | __const wchar_t *__restrict __s2, size_t __n) | |
293 | __THROW; | |
d64b6ad0 UD |
294 | #endif |
295 | ||
30de3b18 | 296 | |
7a5affeb | 297 | __BEGIN_NAMESPACE_C99 |
30de3b18 RM |
298 | /* Determine whether C constitutes a valid (one-byte) multibyte |
299 | character. */ | |
c1422e5b | 300 | extern wint_t btowc (int __c) __THROW; |
30de3b18 RM |
301 | |
302 | /* Determine whether C corresponds to a member of the extended | |
303 | character set whose multibyte representation is a single byte. */ | |
c1422e5b | 304 | extern int wctob (wint_t __c) __THROW; |
30de3b18 RM |
305 | |
306 | /* Determine whether PS points to an object representing the initial | |
307 | state. */ | |
8db6604d | 308 | extern int mbsinit (__const mbstate_t *__ps) __THROW __attribute_pure__; |
30de3b18 | 309 | |
30de3b18 RM |
310 | /* Write wide character representation of multibyte character pointed |
311 | to by S to PWC. */ | |
c1422e5b UD |
312 | extern size_t mbrtowc (wchar_t *__restrict __pwc, |
313 | __const char *__restrict __s, size_t __n, | |
314 | mbstate_t *__p) __THROW; | |
30de3b18 RM |
315 | |
316 | /* Write multibyte representation of wide character WC to S. */ | |
c1422e5b UD |
317 | extern size_t wcrtomb (char *__restrict __s, wchar_t __wc, |
318 | mbstate_t *__restrict __ps) __THROW; | |
30de3b18 | 319 | |
07a4742f | 320 | /* Return number of bytes in multibyte character pointed to by S. */ |
c1422e5b UD |
321 | extern size_t __mbrlen (__const char *__restrict __s, size_t __n, |
322 | mbstate_t *__restrict __ps) __THROW; | |
323 | extern size_t mbrlen (__const char *__restrict __s, size_t __n, | |
324 | mbstate_t *__restrict __ps) __THROW; | |
7a5affeb | 325 | __END_NAMESPACE_C99 |
07a4742f | 326 | |
07c416ed | 327 | #ifdef __USE_EXTERN_INLINES |
07a4742f | 328 | /* Define inline function as optimization. */ |
91682d70 UD |
329 | |
330 | /* We can use the BTOWC and WCTOB optimizations since we know that all | |
331 | locales must use ASCII encoding for the values in the ASCII range | |
332 | and because the wchar_t encoding is always ISO 10646. */ | |
333 | extern wint_t __btowc_alias (int __c) __asm ("btowc"); | |
b037a293 | 334 | __extern_inline wint_t |
91682d70 UD |
335 | __NTH (btowc (int __c)) |
336 | { return (__builtin_constant_p (__c) && __c >= '\0' && __c <= '\x7f' | |
337 | ? (wint_t) __c : __btowc_alias (__c)); } | |
338 | ||
339 | extern int __wctob_alias (wint_t __c) __asm ("wctob"); | |
b037a293 | 340 | __extern_inline int |
91682d70 UD |
341 | __NTH (wctob (wint_t __wc)) |
342 | { return (__builtin_constant_p (__wc) && __wc >= L'\0' && __wc <= L'\x7f' | |
343 | ? (int) __wc : __wctob_alias (__wc)); } | |
344 | ||
b037a293 | 345 | __extern_inline size_t |
f377d022 UD |
346 | __NTH (mbrlen (__const char *__restrict __s, size_t __n, |
347 | mbstate_t *__restrict __ps)) | |
2f6d1f1b | 348 | { return (__ps != NULL |
bdbf022d | 349 | ? mbrtowc (NULL, __s, __n, __ps) : __mbrlen (__s, __n, NULL)); } |
07a4742f RM |
350 | #endif |
351 | ||
7a5affeb | 352 | __BEGIN_NAMESPACE_C99 |
036cc82f RM |
353 | /* Write wide character representation of multibyte character string |
354 | SRC to DST. */ | |
c1422e5b UD |
355 | extern size_t mbsrtowcs (wchar_t *__restrict __dst, |
356 | __const char **__restrict __src, size_t __len, | |
357 | mbstate_t *__restrict __ps) __THROW; | |
30de3b18 RM |
358 | |
359 | /* Write multibyte character representation of wide character string | |
360 | SRC to DST. */ | |
c1422e5b UD |
361 | extern size_t wcsrtombs (char *__restrict __dst, |
362 | __const wchar_t **__restrict __src, size_t __len, | |
363 | mbstate_t *__restrict __ps) __THROW; | |
7a5affeb | 364 | __END_NAMESPACE_C99 |
30de3b18 | 365 | |
75cd5204 RM |
366 | |
367 | #ifdef __USE_GNU | |
036cc82f RM |
368 | /* Write wide character representation of at most NMC bytes of the |
369 | multibyte character string SRC to DST. */ | |
c1422e5b UD |
370 | extern size_t mbsnrtowcs (wchar_t *__restrict __dst, |
371 | __const char **__restrict __src, size_t __nmc, | |
372 | size_t __len, mbstate_t *__restrict __ps) __THROW; | |
036cc82f RM |
373 | |
374 | /* Write multibyte character representation of at most NWC characters | |
375 | from the wide character string SRC to DST. */ | |
c1422e5b UD |
376 | extern size_t wcsnrtombs (char *__restrict __dst, |
377 | __const wchar_t **__restrict __src, | |
378 | size_t __nwc, size_t __len, | |
379 | mbstate_t *__restrict __ps) __THROW; | |
9756dfe1 | 380 | #endif /* use GNU */ |
e34b0f29 | 381 | |
036cc82f | 382 | |
75cd5204 | 383 | /* The following functions are extensions found in X/Open CAE. */ |
9756dfe1 | 384 | #ifdef __USE_XOPEN |
75cd5204 | 385 | /* Determine number of column positions required for C. */ |
b6d64fb0 | 386 | extern int wcwidth (wchar_t __c) __THROW; |
75cd5204 RM |
387 | |
388 | /* Determine number of column positions required for first N wide | |
389 | characters (or fewer if S ends before this) in S. */ | |
c1422e5b | 390 | extern int wcswidth (__const wchar_t *__s, size_t __n) __THROW; |
9756dfe1 | 391 | #endif /* Use X/Open. */ |
75cd5204 RM |
392 | |
393 | ||
7a5affeb | 394 | __BEGIN_NAMESPACE_C99 |
75cd5204 RM |
395 | /* Convert initial portion of the wide string NPTR to `double' |
396 | representation. */ | |
c1422e5b UD |
397 | extern double wcstod (__const wchar_t *__restrict __nptr, |
398 | wchar_t **__restrict __endptr) __THROW; | |
75cd5204 | 399 | |
ec751a23 | 400 | #ifdef __USE_ISOC99 |
75cd5204 | 401 | /* Likewise for `float' and `long double' sizes of floating-point numbers. */ |
c1422e5b UD |
402 | extern float wcstof (__const wchar_t *__restrict __nptr, |
403 | wchar_t **__restrict __endptr) __THROW; | |
404 | extern long double wcstold (__const wchar_t *__restrict __nptr, | |
405 | wchar_t **__restrict __endptr) __THROW; | |
91bc38d0 | 406 | #endif /* C99 */ |
75cd5204 RM |
407 | |
408 | ||
409 | /* Convert initial portion of wide string NPTR to `long int' | |
410 | representation. */ | |
c1422e5b UD |
411 | extern long int wcstol (__const wchar_t *__restrict __nptr, |
412 | wchar_t **__restrict __endptr, int __base) __THROW; | |
75cd5204 RM |
413 | |
414 | /* Convert initial portion of wide string NPTR to `unsigned long int' | |
415 | representation. */ | |
c1422e5b UD |
416 | extern unsigned long int wcstoul (__const wchar_t *__restrict __nptr, |
417 | wchar_t **__restrict __endptr, int __base) | |
418 | __THROW; | |
75cd5204 | 419 | |
7a5affeb | 420 | #if defined __USE_ISOC99 || (defined __GNUC__ && defined __USE_GNU) |
9e6e344e | 421 | /* Convert initial portion of wide string NPTR to `long long int' |
75cd5204 | 422 | representation. */ |
7782d0bf | 423 | __extension__ |
7a5affeb UD |
424 | extern long long int wcstoll (__const wchar_t *__restrict __nptr, |
425 | wchar_t **__restrict __endptr, int __base) | |
c1422e5b | 426 | __THROW; |
75cd5204 RM |
427 | |
428 | /* Convert initial portion of wide string NPTR to `unsigned long long int' | |
429 | representation. */ | |
7782d0bf | 430 | __extension__ |
7a5affeb UD |
431 | extern unsigned long long int wcstoull (__const wchar_t *__restrict __nptr, |
432 | wchar_t **__restrict __endptr, | |
433 | int __base) __THROW; | |
434 | #endif /* ISO C99 or GCC and GNU. */ | |
435 | __END_NAMESPACE_C99 | |
75cd5204 | 436 | |
7a5affeb | 437 | #if defined __GNUC__ && defined __USE_GNU |
9e6e344e | 438 | /* Convert initial portion of wide string NPTR to `long long int' |
2f6d1f1b | 439 | representation. */ |
7782d0bf | 440 | __extension__ |
7a5affeb UD |
441 | extern long long int wcstoq (__const wchar_t *__restrict __nptr, |
442 | wchar_t **__restrict __endptr, int __base) | |
c1422e5b | 443 | __THROW; |
2f6d1f1b UD |
444 | |
445 | /* Convert initial portion of wide string NPTR to `unsigned long long int' | |
446 | representation. */ | |
7782d0bf | 447 | __extension__ |
7a5affeb UD |
448 | extern unsigned long long int wcstouq (__const wchar_t *__restrict __nptr, |
449 | wchar_t **__restrict __endptr, | |
450 | int __base) __THROW; | |
451 | #endif /* GCC and use GNU. */ | |
2f6d1f1b | 452 | |
0501d603 UD |
453 | #ifdef __USE_GNU |
454 | /* The concept of one static locale per category is not very well | |
455 | thought out. Many applications will need to process its data using | |
456 | information from several different locales. Another application is | |
457 | the implementation of the internationalization handling in the | |
458 | upcoming ISO C++ standard library. To support this another set of | |
459 | the functions using locale data exist which have an additional | |
460 | argument. | |
461 | ||
462 | Attention: all these functions are *not* standardized in any form. | |
463 | This is a proof-of-concept implementation. */ | |
464 | ||
465 | /* Structure for reentrant locale using functions. This is an | |
466 | (almost) opaque type for the user level programs. */ | |
467 | # include <xlocale.h> | |
468 | ||
469 | /* Special versions of the functions above which take the locale to | |
470 | use as an additional parameter. */ | |
1ab62b32 RM |
471 | extern long int wcstol_l (__const wchar_t *__restrict __nptr, |
472 | wchar_t **__restrict __endptr, int __base, | |
473 | __locale_t __loc) __THROW; | |
0501d603 | 474 | |
1ab62b32 RM |
475 | extern unsigned long int wcstoul_l (__const wchar_t *__restrict __nptr, |
476 | wchar_t **__restrict __endptr, | |
477 | int __base, __locale_t __loc) __THROW; | |
0501d603 | 478 | |
7782d0bf | 479 | __extension__ |
1ab62b32 RM |
480 | extern long long int wcstoll_l (__const wchar_t *__restrict __nptr, |
481 | wchar_t **__restrict __endptr, | |
482 | int __base, __locale_t __loc) __THROW; | |
0501d603 | 483 | |
7782d0bf | 484 | __extension__ |
1ab62b32 RM |
485 | extern unsigned long long int wcstoull_l (__const wchar_t *__restrict __nptr, |
486 | wchar_t **__restrict __endptr, | |
487 | int __base, __locale_t __loc) | |
488 | __THROW; | |
0501d603 | 489 | |
1ab62b32 RM |
490 | extern double wcstod_l (__const wchar_t *__restrict __nptr, |
491 | wchar_t **__restrict __endptr, __locale_t __loc) | |
492 | __THROW; | |
0501d603 | 493 | |
1ab62b32 RM |
494 | extern float wcstof_l (__const wchar_t *__restrict __nptr, |
495 | wchar_t **__restrict __endptr, __locale_t __loc) | |
496 | __THROW; | |
0501d603 | 497 | |
1ab62b32 RM |
498 | extern long double wcstold_l (__const wchar_t *__restrict __nptr, |
499 | wchar_t **__restrict __endptr, | |
500 | __locale_t __loc) __THROW; | |
0501d603 UD |
501 | #endif /* GNU */ |
502 | ||
75cd5204 | 503 | |
75cd5204 RM |
504 | #ifdef __USE_GNU |
505 | /* Copy SRC to DEST, returning the address of the terminating L'\0' in | |
506 | DEST. */ | |
c1422e5b | 507 | extern wchar_t *wcpcpy (wchar_t *__dest, __const wchar_t *__src) __THROW; |
75cd5204 RM |
508 | |
509 | /* Copy no more than N characters of SRC to DEST, returning the address of | |
510 | the last character written into DEST. */ | |
c1422e5b UD |
511 | extern wchar_t *wcpncpy (wchar_t *__dest, __const wchar_t *__src, size_t __n) |
512 | __THROW; | |
75cd5204 RM |
513 | #endif /* use GNU */ |
514 | ||
515 | ||
d64b6ad0 | 516 | /* Wide character I/O functions. */ |
1c31aa79 UD |
517 | |
518 | #ifdef __USE_GNU | |
519 | /* Like OPEN_MEMSTREAM, but the stream is wide oriented and produces | |
520 | a wide character string. */ | |
521 | extern __FILE *open_wmemstream (wchar_t **__bufloc, size_t *__sizeloc) __THROW; | |
522 | #endif | |
523 | ||
087722b8 | 524 | #if defined __USE_ISOC95 || defined __USE_UNIX98 |
7a5affeb | 525 | __BEGIN_NAMESPACE_C99 |
d64b6ad0 UD |
526 | |
527 | /* Select orientation for stream. */ | |
d1646309 | 528 | extern int fwide (__FILE *__fp, int __mode) __THROW; |
d64b6ad0 UD |
529 | |
530 | ||
2c008571 UD |
531 | /* Write formatted output to STREAM. |
532 | ||
533 | This function is a possible cancellation point and therefore not | |
534 | marked with __THROW. */ | |
d1646309 | 535 | extern int fwprintf (__FILE *__restrict __stream, |
c1422e5b | 536 | __const wchar_t *__restrict __format, ...) |
2c008571 UD |
537 | /* __attribute__ ((__format__ (__wprintf__, 2, 3))) */; |
538 | /* Write formatted output to stdout. | |
539 | ||
540 | This function is a possible cancellation point and therefore not | |
541 | marked with __THROW. */ | |
c1422e5b | 542 | extern int wprintf (__const wchar_t *__restrict __format, ...) |
2c008571 | 543 | /* __attribute__ ((__format__ (__wprintf__, 1, 2))) */; |
d64b6ad0 | 544 | /* Write formatted output of at most N characters to S. */ |
c1422e5b UD |
545 | extern int swprintf (wchar_t *__restrict __s, size_t __n, |
546 | __const wchar_t *__restrict __format, ...) | |
547 | __THROW /* __attribute__ ((__format__ (__wprintf__, 3, 4))) */; | |
d64b6ad0 | 548 | |
2c008571 UD |
549 | /* Write formatted output to S from argument list ARG. |
550 | ||
551 | This function is a possible cancellation point and therefore not | |
552 | marked with __THROW. */ | |
d1646309 | 553 | extern int vfwprintf (__FILE *__restrict __s, |
c1422e5b UD |
554 | __const wchar_t *__restrict __format, |
555 | __gnuc_va_list __arg) | |
2c008571 UD |
556 | /* __attribute__ ((__format__ (__wprintf__, 2, 0))) */; |
557 | /* Write formatted output to stdout from argument list ARG. | |
558 | ||
559 | This function is a possible cancellation point and therefore not | |
560 | marked with __THROW. */ | |
c1422e5b UD |
561 | extern int vwprintf (__const wchar_t *__restrict __format, |
562 | __gnuc_va_list __arg) | |
2c008571 | 563 | /* __attribute__ ((__format__ (__wprintf__, 1, 0))) */; |
d64b6ad0 UD |
564 | /* Write formatted output of at most N character to S from argument |
565 | list ARG. */ | |
c1422e5b UD |
566 | extern int vswprintf (wchar_t *__restrict __s, size_t __n, |
567 | __const wchar_t *__restrict __format, | |
568 | __gnuc_va_list __arg) | |
569 | __THROW /* __attribute__ ((__format__ (__wprintf__, 3, 0))) */; | |
d64b6ad0 UD |
570 | |
571 | ||
2c008571 UD |
572 | /* Read formatted input from STREAM. |
573 | ||
574 | This function is a possible cancellation point and therefore not | |
575 | marked with __THROW. */ | |
d1646309 | 576 | extern int fwscanf (__FILE *__restrict __stream, |
c1422e5b | 577 | __const wchar_t *__restrict __format, ...) |
2c008571 UD |
578 | /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; |
579 | /* Read formatted input from stdin. | |
580 | ||
581 | This function is a possible cancellation point and therefore not | |
582 | marked with __THROW. */ | |
c1422e5b | 583 | extern int wscanf (__const wchar_t *__restrict __format, ...) |
2c008571 | 584 | /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */; |
d64b6ad0 | 585 | /* Read formatted input from S. */ |
c1422e5b UD |
586 | extern int swscanf (__const wchar_t *__restrict __s, |
587 | __const wchar_t *__restrict __format, ...) | |
588 | __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; | |
7a5affeb | 589 | |
874aa523 UD |
590 | # if defined __USE_ISOC99 && !defined __USE_GNU \ |
591 | && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ | |
592 | && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) | |
593 | # ifdef __REDIRECT | |
594 | /* For strict ISO C99 or POSIX compliance disallow %as, %aS and %a[ | |
595 | GNU extension which conflicts with valid %a followed by letter | |
596 | s, S or [. */ | |
597 | extern int __REDIRECT (fwscanf, (__FILE *__restrict __stream, | |
598 | __const wchar_t *__restrict __format, ...), | |
599 | __isoc99_fwscanf) | |
600 | /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; | |
601 | extern int __REDIRECT (wscanf, (__const wchar_t *__restrict __format, ...), | |
602 | __isoc99_wscanf) | |
603 | /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */; | |
604 | extern int __REDIRECT (swscanf, (__const wchar_t *__restrict __s, | |
605 | __const wchar_t *__restrict __format, ...), | |
606 | __isoc99_swscanf) | |
607 | __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */; | |
608 | # else | |
609 | extern int __isoc99_fwscanf (__FILE *__restrict __stream, | |
610 | __const wchar_t *__restrict __format, ...); | |
611 | extern int __isoc99_wscanf (__const wchar_t *__restrict __format, ...); | |
612 | extern int __isoc99_swscanf (__const wchar_t *__restrict __s, | |
613 | __const wchar_t *__restrict __format, ...) | |
614 | __THROW; | |
615 | # define fwscanf __isoc99_fwscanf | |
616 | # define wscanf __isoc99_wscanf | |
617 | # define swscanf __isoc99_swscanf | |
618 | # endif | |
619 | # endif | |
620 | ||
7a5affeb | 621 | __END_NAMESPACE_C99 |
087722b8 | 622 | #endif /* Use ISO C95, C99 and Unix98. */ |
d64b6ad0 | 623 | |
91bc38d0 | 624 | #ifdef __USE_ISOC99 |
7a5affeb | 625 | __BEGIN_NAMESPACE_C99 |
2c008571 UD |
626 | /* Read formatted input from S into argument list ARG. |
627 | ||
628 | This function is a possible cancellation point and therefore not | |
629 | marked with __THROW. */ | |
d1646309 | 630 | extern int vfwscanf (__FILE *__restrict __s, |
c1422e5b UD |
631 | __const wchar_t *__restrict __format, |
632 | __gnuc_va_list __arg) | |
2c008571 UD |
633 | /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; |
634 | /* Read formatted input from stdin into argument list ARG. | |
635 | ||
636 | This function is a possible cancellation point and therefore not | |
637 | marked with __THROW. */ | |
c1422e5b UD |
638 | extern int vwscanf (__const wchar_t *__restrict __format, |
639 | __gnuc_va_list __arg) | |
2c008571 | 640 | /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */; |
d64b6ad0 | 641 | /* Read formatted input from S into argument list ARG. */ |
c1422e5b UD |
642 | extern int vswscanf (__const wchar_t *__restrict __s, |
643 | __const wchar_t *__restrict __format, | |
644 | __gnuc_va_list __arg) | |
645 | __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; | |
7a5affeb | 646 | |
874aa523 UD |
647 | # if !defined __USE_GNU \ |
648 | && (!defined __LDBL_COMPAT || !defined __REDIRECT) \ | |
649 | && (defined __STRICT_ANSI__ || defined __USE_XOPEN2K) | |
650 | # ifdef __REDIRECT | |
651 | extern int __REDIRECT (vfwscanf, (__FILE *__restrict __s, | |
652 | __const wchar_t *__restrict __format, | |
653 | __gnuc_va_list __arg), __isoc99_vfwscanf) | |
654 | /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; | |
655 | extern int __REDIRECT (vwscanf, (__const wchar_t *__restrict __format, | |
656 | __gnuc_va_list __arg), __isoc99_vwscanf) | |
657 | /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */; | |
658 | extern int __REDIRECT (vswscanf, (__const wchar_t *__restrict __s, | |
659 | __const wchar_t *__restrict __format, | |
660 | __gnuc_va_list __arg), __isoc99_vswscanf) | |
661 | __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */; | |
662 | # else | |
663 | extern int __isoc99_vfwscanf (__FILE *__restrict __s, | |
664 | __const wchar_t *__restrict __format, | |
665 | __gnuc_va_list __arg); | |
666 | extern int __isoc99_vwscanf (__const wchar_t *__restrict __format, | |
667 | __gnuc_va_list __arg); | |
668 | extern int __isoc99_vswscanf (__const wchar_t *__restrict __s, | |
669 | __const wchar_t *__restrict __format, | |
670 | __gnuc_va_list __arg) __THROW; | |
671 | # define vfwscanf __isoc99_vfwscanf | |
672 | # define vwscanf __isoc99_vwscanf | |
673 | # define vswscanf __isoc99_vswscanf | |
674 | # endif | |
675 | # endif | |
676 | ||
7a5affeb | 677 | __END_NAMESPACE_C99 |
91bc38d0 | 678 | #endif /* Use ISO C99. */ |
d64b6ad0 UD |
679 | |
680 | ||
7a5affeb | 681 | __BEGIN_NAMESPACE_C99 |
2c008571 UD |
682 | /* Read a character from STREAM. |
683 | ||
684 | These functions are possible cancellation points and therefore not | |
685 | marked with __THROW. */ | |
686 | extern wint_t fgetwc (__FILE *__stream); | |
687 | extern wint_t getwc (__FILE *__stream); | |
d64b6ad0 | 688 | |
2c008571 | 689 | /* Read a character from stdin. |
d64b6ad0 | 690 | |
2c008571 UD |
691 | This function is a possible cancellation point and therefore not |
692 | marked with __THROW. */ | |
693 | extern wint_t getwchar (void); | |
d64b6ad0 | 694 | |
d64b6ad0 | 695 | |
2c008571 UD |
696 | /* Write a character to STREAM. |
697 | ||
698 | These functions are possible cancellation points and therefore not | |
699 | marked with __THROW. */ | |
700 | extern wint_t fputwc (wchar_t __wc, __FILE *__stream); | |
701 | extern wint_t putwc (wchar_t __wc, __FILE *__stream); | |
702 | ||
703 | /* Write a character to stdout. | |
704 | ||
705 | This function is a possible cancellation points and therefore not | |
706 | marked with __THROW. */ | |
707 | extern wint_t putwchar (wchar_t __wc); | |
d64b6ad0 | 708 | |
91bc38d0 UD |
709 | |
710 | /* Get a newline-terminated wide character string of finite length | |
2c008571 UD |
711 | from STREAM. |
712 | ||
713 | This function is a possible cancellation points and therefore not | |
714 | marked with __THROW. */ | |
91bc38d0 | 715 | extern wchar_t *fgetws (wchar_t *__restrict __ws, int __n, |
2c008571 UD |
716 | __FILE *__restrict __stream); |
717 | ||
718 | /* Write a string to STREAM. | |
91bc38d0 | 719 | |
2c008571 UD |
720 | This function is a possible cancellation points and therefore not |
721 | marked with __THROW. */ | |
91bc38d0 | 722 | extern int fputws (__const wchar_t *__restrict __ws, |
2c008571 UD |
723 | __FILE *__restrict __stream); |
724 | ||
91bc38d0 | 725 | |
2c008571 | 726 | /* Push a character back onto the input buffer of STREAM. |
91bc38d0 | 727 | |
2c008571 UD |
728 | This function is a possible cancellation points and therefore not |
729 | marked with __THROW. */ | |
730 | extern wint_t ungetwc (wint_t __wc, __FILE *__stream); | |
7a5affeb | 731 | __END_NAMESPACE_C99 |
91bc38d0 UD |
732 | |
733 | ||
d64b6ad0 | 734 | #ifdef __USE_GNU |
91bc38d0 | 735 | /* These are defined to be equivalent to the `char' functions defined |
2c008571 | 736 | in POSIX.1:1996. |
91bc38d0 | 737 | |
2c008571 UD |
738 | These functions are not part of POSIX and therefore no official |
739 | cancellation point. But due to similarity with an POSIX interface | |
740 | or due to the implementation they are cancellation points and | |
741 | therefore not marked with __THROW. */ | |
742 | extern wint_t getwc_unlocked (__FILE *__stream); | |
743 | extern wint_t getwchar_unlocked (void); | |
91bc38d0 | 744 | |
2c008571 UD |
745 | /* This is the wide character version of a GNU extension. |
746 | ||
747 | This function is not part of POSIX and therefore no official | |
748 | cancellation point. But due to similarity with an POSIX interface | |
749 | or due to the implementation it is a cancellation point and | |
750 | therefore not marked with __THROW. */ | |
751 | extern wint_t fgetwc_unlocked (__FILE *__stream); | |
752 | ||
753 | /* Faster version when locking is not necessary. | |
754 | ||
755 | This function is not part of POSIX and therefore no official | |
756 | cancellation point. But due to similarity with an POSIX interface | |
757 | or due to the implementation it is a cancellation point and | |
758 | therefore not marked with __THROW. */ | |
759 | extern wint_t fputwc_unlocked (wchar_t __wc, __FILE *__stream); | |
d64b6ad0 UD |
760 | |
761 | /* These are defined to be equivalent to the `char' functions defined | |
2c008571 | 762 | in POSIX.1:1996. |
d64b6ad0 | 763 | |
2c008571 UD |
764 | These functions are not part of POSIX and therefore no official |
765 | cancellation point. But due to similarity with an POSIX interface | |
766 | or due to the implementation they are cancellation points and | |
767 | therefore not marked with __THROW. */ | |
768 | extern wint_t putwc_unlocked (wchar_t __wc, __FILE *__stream); | |
769 | extern wint_t putwchar_unlocked (wchar_t __wc); | |
d64b6ad0 | 770 | |
2c008571 UD |
771 | |
772 | /* This function does the same as `fgetws' but does not lock the stream. | |
773 | ||
774 | This function is not part of POSIX and therefore no official | |
775 | cancellation point. But due to similarity with an POSIX interface | |
776 | or due to the implementation it is a cancellation point and | |
777 | therefore not marked with __THROW. */ | |
c1422e5b | 778 | extern wchar_t *fgetws_unlocked (wchar_t *__restrict __ws, int __n, |
2c008571 UD |
779 | __FILE *__restrict __stream); |
780 | ||
781 | /* This function does the same as `fputws' but does not lock the stream. | |
d64b6ad0 | 782 | |
2c008571 UD |
783 | This function is not part of POSIX and therefore no official |
784 | cancellation point. But due to similarity with an POSIX interface | |
785 | or due to the implementation it is a cancellation point and | |
786 | therefore not marked with __THROW. */ | |
c1422e5b | 787 | extern int fputws_unlocked (__const wchar_t *__restrict __ws, |
2c008571 | 788 | __FILE *__restrict __stream); |
d64b6ad0 UD |
789 | #endif |
790 | ||
791 | ||
7a5affeb | 792 | __BEGIN_NAMESPACE_C99 |
d64b6ad0 UD |
793 | /* Format TP into S according to FORMAT. |
794 | Write no more than MAXSIZE wide characters and return the number | |
795 | of wide characters written, or 0 if it would exceed MAXSIZE. */ | |
c1422e5b UD |
796 | extern size_t wcsftime (wchar_t *__restrict __s, size_t __maxsize, |
797 | __const wchar_t *__restrict __format, | |
21848d0b | 798 | __const struct tm *__restrict __tp) __THROW; |
7a5affeb | 799 | __END_NAMESPACE_C99 |
d64b6ad0 | 800 | |
c4d6f155 RM |
801 | # ifdef __USE_GNU |
802 | # include <xlocale.h> | |
803 | ||
804 | /* Similar to `wcsftime' but takes the information from | |
805 | the provided locale and not the global locale. */ | |
c4d6f155 RM |
806 | extern size_t wcsftime_l (wchar_t *__restrict __s, size_t __maxsize, |
807 | __const wchar_t *__restrict __format, | |
808 | __const struct tm *__restrict __tp, | |
809 | __locale_t __loc) __THROW; | |
810 | # endif | |
811 | ||
9756dfe1 UD |
812 | /* The X/Open standard demands that most of the functions defined in |
813 | the <wctype.h> header must also appear here. This is probably | |
814 | because some X/Open members wrote their implementation before the | |
815 | ISO C standard was published and introduced the better solution. | |
816 | We have to provide these definitions for compliance reasons but we | |
817 | do this nonsense only if really necessary. */ | |
818 | #if defined __USE_UNIX98 && !defined __USE_GNU | |
819 | # define __need_iswxxx | |
820 | # include <wctype.h> | |
821 | #endif | |
822 | ||
8215c9ec | 823 | /* Define some macros helping to catch buffer overflows. */ |
de1c3ebb | 824 | #if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline |
8215c9ec UD |
825 | # include <bits/wchar2.h> |
826 | #endif | |
827 | ||
54e98f69 RM |
828 | #ifdef __LDBL_COMPAT |
829 | # include <bits/wchar-ldbl.h> | |
830 | #endif | |
831 | ||
30de3b18 RM |
832 | __END_DECLS |
833 | ||
d64b6ad0 UD |
834 | #endif /* _WCHAR_H defined */ |
835 | ||
30de3b18 | 836 | #endif /* wchar.h */ |