Add some pure attributes.
This commit is contained in:
Andreas Jaeger
parent
d6585e0b91
commit
fb4dfa0c81
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@ -252,11 +252,13 @@ extern int scandir64 (__const char *__restrict __dir,
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/* Function to compare two `struct dirent's alphabetically. */
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# ifndef __USE_FILE_OFFSET64
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extern int alphasort (__const void *__e1, __const void *__e2) __THROW;
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extern int alphasort (__const void *__e1, __const void *__e2)
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__THROW __attribute_pure__;
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (alphasort,
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(__const void *__e1, __const void *__e2) __THROW,
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(__const void *__e1, __const void *__e2)
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__THROW __attribute_pure__,
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alphasort64);
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# else
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# define alphasort alphasort64
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@ -264,17 +266,20 @@ extern int __REDIRECT (alphasort,
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# endif
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# if defined __USE_GNU && defined __USE_LARGEFILE64
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extern int alphasort64 (__const void *__e1, __const void *__e2) __THROW;
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extern int alphasort64 (__const void *__e1, __const void *__e2)
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__THROW __attribute_pure__;
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# endif
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# ifdef __USE_GNU
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/* Function to compare two `struct dirent's by name & version. */
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# ifndef __USE_FILE_OFFSET64
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extern int versionsort (__const void *__e1, __const void *__e2) __THROW;
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extern int versionsort (__const void *__e1, __const void *__e2)
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__THROW __attribute_pure__;
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (versionsort,
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(__const void *__e1, __const void *__e2) __THROW,
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(__const void *__e1, __const void *__e2)
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__THROW __attribute_pure__,
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versionsort64);
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# else
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# define versionsort versionsort64
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@ -282,7 +287,8 @@ extern int __REDIRECT (versionsort,
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# endif
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# ifdef __USE_LARGEFILE64
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extern int versionsort64 (__const void *__e1, __const void *__e2) __THROW;
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extern int versionsort64 (__const void *__e1, __const void *__e2)
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__THROW __attribute_pure__;
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# endif
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# endif
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@ -18,6 +18,8 @@ extern __ssize_t __getdents (int __fd, char *__buf, size_t __nbytes)
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internal_function;
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extern __ssize_t __getdents64 (int __fd, char *__buf, size_t __nbytes)
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internal_function;
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extern int __alphasort64 (const void *a, const void *b);
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extern int __versionsort64 (const void *a, const void *b);
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extern int __alphasort64 (const void *a, const void *b)
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__attribute_pure__;
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extern int __versionsort64 (const void *a, const void *b)
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__attribute_pure__;
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#endif
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@ -3,10 +3,13 @@
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# ifdef _WCHAR_H
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/* Now define the internal interfaces. */
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extern int __wcscasecmp (__const wchar_t *__s1, __const wchar_t *__s2);
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extern int __wcscasecmp (__const wchar_t *__s1, __const wchar_t *__s2)
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__attribute_pure__;
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extern int __wcsncasecmp (__const wchar_t *__s1, __const wchar_t *__s2,
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size_t __n);
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extern size_t __wcsnlen (__const wchar_t *__s, size_t __maxlen);
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size_t __n)
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__attribute_pure__;
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extern size_t __wcsnlen (__const wchar_t *__s, size_t __maxlen)
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__attribute_pure__;
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extern wint_t __btowc (int __c);
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extern int __mbsinit (__const __mbstate_t *__ps);
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extern size_t __mbrtowc (wchar_t *__restrict __pwc,
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@ -37,7 +40,8 @@ extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
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size_t __n);
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extern wchar_t *__wmemmove (wchar_t *__s1, __const wchar_t *__s2,
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size_t __n);
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extern wchar_t *__wcschrnul (__const wchar_t *__s, wchar_t __wc);
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extern wchar_t *__wcschrnul (__const wchar_t *__s, wchar_t __wc)
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__attribute_pure__;
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extern int __vfwscanf (FILE *__restrict __s,
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__const wchar_t *__restrict __format,
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@ -134,15 +134,16 @@ extern size_t __ctype_get_mb_cur_max (void) __THROW;
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/* Convert a string to a floating-point number. */
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extern double atof (__const char *__nptr) __THROW;
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extern double atof (__const char *__nptr) __THROW __attribute_pure__;
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/* Convert a string to an integer. */
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extern int atoi (__const char *__nptr) __THROW;
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extern int atoi (__const char *__nptr) __THROW __attribute_pure__;
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/* Convert a string to a long integer. */
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extern long int atol (__const char *__nptr) __THROW;
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extern long int atol (__const char *__nptr) __THROW __attribute_pure__;
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#if defined __USE_ISOC99 || (defined __GNUC__ && defined __USE_MISC)
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/* These functions will part of the standard C library in ISO C99. */
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__extension__ extern long long int atoll (__const char *__nptr) __THROW;
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/* Convert a string to a long long integer. */
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__extension__ extern long long int atoll (__const char *__nptr)
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__THROW __attribute_pure__;
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#endif
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/* Convert a string to a floating-point number. */
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@ -384,7 +385,7 @@ atoll (__const char *__nptr) __THROW
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extern char *l64a (long int __n) __THROW;
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/* Read a number from a string S in base 64 as above. */
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extern long int a64l (__const char *__s) __THROW;
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extern long int a64l (__const char *__s) __THROW __attribute_pure__;
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# include <sys/types.h> /* we need int32_t... */
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@ -552,7 +553,7 @@ extern void *valloc (size_t __size) __THROW __attribute_malloc__;
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#ifdef __USE_XOPEN2K
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/* Allocate memory of SIZE bytes with an alignment of ALIGNMENT. */
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extern int posix_memalign (void **memptr, size_t alignment, size_t size)
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__THROW;
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__THROW __attribute_malloc__;
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#endif
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/* Abort execution and generate a core-dump. */
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@ -119,10 +119,11 @@ extern wchar_t *wcsncat (wchar_t *__restrict __dest,
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__THROW;
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/* Compare S1 and S2. */
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extern int wcscmp (__const wchar_t *__s1, __const wchar_t *__s2) __THROW;
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extern int wcscmp (__const wchar_t *__s1, __const wchar_t *__s2)
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__THROW __attribute_pure__;
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/* Compare N wide-characters of S1 and S2. */
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extern int wcsncmp (__const wchar_t *__s1, __const wchar_t *__s2, size_t __n)
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__THROW;
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__THROW __attribute_pure__;
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#ifdef __USE_GNU
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/* Compare S1 and S2, ignoring case. */
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@ -167,39 +168,42 @@ extern size_t __wcsxfrm_l (wchar_t *__s1, __const wchar_t *__s2,
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size_t __n, __locale_t __loc) __THROW;
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/* Duplicate S, returning an identical malloc'd string. */
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extern wchar_t *wcsdup (__const wchar_t *__s) __THROW;
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extern wchar_t *wcsdup (__const wchar_t *__s) __THROW __attribute_malloc__;
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#endif
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/* Find the first occurrence of WC in WCS. */
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extern wchar_t *wcschr (__const wchar_t *__wcs, wchar_t __wc) __THROW;
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extern wchar_t *wcschr (__const wchar_t *__wcs, wchar_t __wc)
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__THROW __attribute_pure__;
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/* Find the last occurrence of WC in WCS. */
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extern wchar_t *wcsrchr (__const wchar_t *__wcs, wchar_t __wc) __THROW;
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extern wchar_t *wcsrchr (__const wchar_t *__wcs, wchar_t __wc)
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__THROW __attribute_pure__;
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#ifdef __USE_GNU
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/* This funciton is similar to `wcschr'. But it returns a pointer to
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the closing NUL wide character in case C is not found in S. */
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extern wchar_t *wcschrnul (__const wchar_t *__s, wchar_t __wc) __THROW;
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extern wchar_t *wcschrnul (__const wchar_t *__s, wchar_t __wc)
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__THROW __attribute_pure__;
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#endif
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/* Return the length of the initial segmet of WCS which
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consists entirely of wide characters not in REJECT. */
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extern size_t wcscspn (__const wchar_t *__wcs, __const wchar_t *__reject)
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__THROW;
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__THROW __attribute_pure__;
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/* Return the length of the initial segmet of WCS which
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consists entirely of wide characters in ACCEPT. */
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extern size_t wcsspn (__const wchar_t *__wcs, __const wchar_t *__accept)
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__THROW;
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__THROW __attribute_pure__;
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/* Find the first occurrence in WCS of any character in ACCEPT. */
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extern wchar_t *wcspbrk (__const wchar_t *__wcs, __const wchar_t *__accept)
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__THROW;
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__THROW __attribute_pure__;
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/* Find the first occurrence of NEEDLE in HAYSTACK. */
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extern wchar_t *wcsstr (__const wchar_t *__haystack, __const wchar_t *__needle)
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__THROW;
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__THROW __attribute_pure__;
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#ifdef __USE_XOPEN
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/* Another name for `wcsstr' from XPG4. */
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extern wchar_t *wcswcs (__const wchar_t *__haystack, __const wchar_t *__needle)
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__THROW;
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__THROW __attribute_pure__;
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#endif
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/* Divide WCS into tokens separated by characters in DELIM. */
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@ -208,22 +212,24 @@ extern wchar_t *wcstok (wchar_t *__restrict __s,
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wchar_t **__restrict __ptr) __THROW;
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/* Return the number of wide characters in S. */
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extern size_t __wcslen (__const wchar_t *__s) __THROW;
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extern size_t wcslen (__const wchar_t *__s) __THROW;
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extern size_t __wcslen (__const wchar_t *__s) __THROW __attribute_pure__;
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extern size_t wcslen (__const wchar_t *__s) __THROW __attribute_pure__;
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#ifdef __USE_GNU
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/* Return the number of wide characters in S, but at most MAXLEN. */
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extern size_t wcsnlen (__const wchar_t *__s, size_t __maxlen) __THROW;
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extern size_t wcsnlen (__const wchar_t *__s, size_t __maxlen)
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__THROW __attribute_pure__;
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#endif
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/* Search N wide characters of S for C. */
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extern wchar_t *wmemchr (__const wchar_t *__s, wchar_t __c, size_t __n)
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__THROW;
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__THROW __attribute_pure__;
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/* Compare N wide characters of S1 and S2. */
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extern int wmemcmp (__const wchar_t *__restrict __s1,
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__const wchar_t *__restrict __s2, size_t __n) __THROW;
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__const wchar_t *__restrict __s2, size_t __n)
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__THROW __attribute_pure__;
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/* Copy N wide characters of SRC to DEST. */
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extern wchar_t *wmemcpy (wchar_t *__restrict __s1,
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