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https://sourceware.org/git/glibc.git
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e2239af353
Improve the commentary to aid future developers who will stumble upon this novel, yet not always perfect, mechanism to support alternative formats for long double. Likewise, rename __LONG_DOUBLE_USES_FLOAT128 to __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI now that development work has settled down. The command used was git grep -l __LONG_DOUBLE_USES_FLOAT128 ':!./ChangeLog*' | \ xargs sed -i 's/__LONG_DOUBLE_USES_FLOAT128/__LDOUBLE_REDIRECTS_TO_FLOAT128_ABI/g' Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
262 lines
9.8 KiB
C
262 lines
9.8 KiB
C
#ifndef _WCHAR_H
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/* Workaround PR90731 with GCC 9 when using ldbl redirects in C++. */
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# include <bits/floatn.h>
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# if defined __cplusplus && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
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# if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
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# pragma GCC system_header
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# endif
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# endif
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# include <wcsmbs/wchar.h>
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# ifndef _ISOMAC
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#include <bits/floatn.h>
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extern __typeof (wcscasecmp_l) __wcscasecmp_l;
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extern __typeof (wcsncasecmp_l) __wcsncasecmp_l;
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extern __typeof (wcscoll_l) __wcscoll_l;
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extern __typeof (wcsxfrm_l) __wcsxfrm_l;
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extern __typeof (wcstol_l) __wcstol_l;
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extern __typeof (wcstoul_l) __wcstoul_l;
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extern __typeof (wcstoll_l) __wcstoll_l;
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extern __typeof (wcstoull_l) __wcstoull_l;
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extern __typeof (wcstod_l) __wcstod_l;
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extern __typeof (wcstof_l) __wcstof_l;
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extern __typeof (wcstold_l) __wcstold_l;
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extern __typeof (wcsftime_l) __wcsftime_l;
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libc_hidden_proto (__wcstol_l)
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libc_hidden_proto (__wcstoul_l)
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libc_hidden_proto (__wcstoll_l)
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libc_hidden_proto (__wcstoull_l)
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libc_hidden_proto (__wcstod_l)
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libc_hidden_proto (__wcstof_l)
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libc_hidden_proto (__wcstold_l)
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libc_hidden_proto (__wcsftime_l)
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extern double __wcstod_internal (const wchar_t *__restrict __nptr,
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wchar_t **__restrict __endptr, int __group)
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__THROW;
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extern float __wcstof_internal (const wchar_t *__restrict __nptr,
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wchar_t **__restrict __endptr, int __group)
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__THROW;
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extern long double __wcstold_internal (const wchar_t *__restrict __nptr,
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wchar_t **__restrict __endptr,
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int __group) __THROW;
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extern long int __wcstol_internal (const wchar_t *__restrict __nptr,
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wchar_t **__restrict __endptr,
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int __base, int __group) __THROW;
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extern unsigned long int __wcstoul_internal (const wchar_t *__restrict __npt,
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wchar_t **__restrict __endptr,
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int __base, int __group) __THROW;
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__extension__
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extern long long int __wcstoll_internal (const wchar_t *__restrict __nptr,
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wchar_t **__restrict __endptr,
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int __base, int __group) __THROW;
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__extension__
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extern unsigned long long int __wcstoull_internal (const wchar_t *
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__restrict __nptr,
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wchar_t **
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__restrict __endptr,
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int __base,
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int __group) __THROW;
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extern unsigned long long int ____wcstoull_l_internal (const wchar_t *,
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wchar_t **, int, int,
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locale_t);
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libc_hidden_proto (__wcstof_internal)
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libc_hidden_proto (__wcstod_internal)
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libc_hidden_proto (__wcstold_internal)
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libc_hidden_proto (__wcstol_internal)
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libc_hidden_proto (__wcstoll_internal)
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libc_hidden_proto (__wcstoul_internal)
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libc_hidden_proto (__wcstoull_internal)
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libc_hidden_proto (wcstof)
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libc_hidden_proto (wcstod)
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libc_hidden_ldbl_proto (wcstold)
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libc_hidden_proto (wcstol)
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libc_hidden_proto (wcstoll)
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libc_hidden_proto (wcstoul)
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libc_hidden_proto (wcstoull)
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extern float ____wcstof_l_internal (const wchar_t *, wchar_t **, int,
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locale_t) attribute_hidden;
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extern double ____wcstod_l_internal (const wchar_t *, wchar_t **, int,
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locale_t) attribute_hidden;
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extern long double ____wcstold_l_internal (const wchar_t *, wchar_t **,
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int, locale_t) attribute_hidden;
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extern long int ____wcstol_l_internal (const wchar_t *, wchar_t **, int,
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int, locale_t) attribute_hidden;
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extern unsigned long int ____wcstoul_l_internal (const wchar_t *,
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wchar_t **,
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int, int, locale_t)
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attribute_hidden;
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extern long long int ____wcstoll_l_internal (const wchar_t *, wchar_t **,
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int, int, locale_t)
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attribute_hidden;
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extern unsigned long long int ____wcstoull_l_internal (const wchar_t *,
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wchar_t **, int, int,
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locale_t)
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attribute_hidden;
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#if __HAVE_DISTINCT_FLOAT128
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extern __typeof (wcstof128_l) __wcstof128_l;
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libc_hidden_proto (__wcstof128_l)
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extern _Float128 __wcstof128_internal (const wchar_t *__restrict __nptr,
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wchar_t **__restrict __endptr,
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int __group) __THROW;
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extern _Float128 ____wcstof128_l_internal (const wchar_t *, wchar_t **, int,
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locale_t) attribute_hidden;
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libc_hidden_proto (__wcstof128_internal)
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libc_hidden_proto (wcstof128)
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#endif
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libc_hidden_proto (__wcscasecmp_l)
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libc_hidden_proto (__wcsncasecmp_l)
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libc_hidden_proto (__wcscoll_l)
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libc_hidden_proto (__wcsxfrm_l)
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libc_hidden_proto (fputws_unlocked)
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libc_hidden_proto (putwc_unlocked)
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libc_hidden_proto (putwc)
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libc_hidden_proto (mbrtowc)
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libc_hidden_proto (wcrtomb)
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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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libc_hidden_proto (__wcscmp)
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libc_hidden_proto (wcsftime)
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libc_hidden_proto (wcsspn)
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libc_hidden_proto (wcschr)
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/* The C++ overloading of wcschr means we have to repeat the type to
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declare __wcschr instead of using typeof, to avoid errors in C++
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tests; in addition, __THROW cannot be used with a function type
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from typeof in C++. The same applies to __wmemchr and, as regards
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__THROW, to __wcscmp and __wcscoll. */
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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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libc_hidden_proto (__wcschr)
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extern int __wcscoll (const wchar_t *__s1, const wchar_t *__s2) __THROW;
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libc_hidden_proto (__wcscoll)
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libc_hidden_proto (wcspbrk)
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extern __typeof (wmemset) __wmemset;
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extern wchar_t *__wmemchr (const wchar_t *__s, wchar_t __c, size_t __n)
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__THROW __attribute_pure__;
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libc_hidden_proto (wmemchr)
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libc_hidden_proto (__wmemchr)
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libc_hidden_proto (wmemset)
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libc_hidden_proto (__wmemset)
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extern int __wmemcmp (const wchar_t *__s1, const wchar_t *__s2, size_t __n)
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__THROW __attribute_pure__;
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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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__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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__attribute_pure__;
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extern size_t __wcslen (const wchar_t *__s) __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 wchar_t *__wcscat (wchar_t *dest, const wchar_t *src);
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extern wint_t __btowc (int __c) attribute_hidden;
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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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const char *__restrict __s, size_t __n,
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__mbstate_t *__restrict __p);
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libc_hidden_proto (__mbrtowc)
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libc_hidden_proto (__mbrlen)
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extern size_t __wcrtomb (char *__restrict __s, wchar_t __wc,
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__mbstate_t *__restrict __ps) attribute_hidden;
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extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
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const char **__restrict __src,
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size_t __len, __mbstate_t *__restrict __ps)
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attribute_hidden;
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extern size_t __wcsrtombs (char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __len, __mbstate_t *__restrict __ps)
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attribute_hidden;
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extern size_t __mbsnrtowcs (wchar_t *__restrict __dst,
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const char **__restrict __src, size_t __nmc,
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size_t __len, __mbstate_t *__restrict __ps)
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attribute_hidden;
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extern size_t __wcsnrtombs (char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __nwc, size_t __len,
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__mbstate_t *__restrict __ps)
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attribute_hidden;
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extern wchar_t *__wcscpy (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src)
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attribute_hidden __nonnull ((1, 2));
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libc_hidden_proto (__wcscpy)
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extern wchar_t *__wcsncpy (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src, size_t __n);
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extern wchar_t *__wcpcpy (wchar_t *__dest, const wchar_t *__src);
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extern wchar_t *__wcpncpy (wchar_t *__dest, const wchar_t *__src,
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size_t __n);
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extern wchar_t *__wmemcpy (wchar_t *__s1, const wchar_t *s2,
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size_t __n) attribute_hidden;
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extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2,
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size_t __n) attribute_hidden;
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extern wchar_t *__wmemmove (wchar_t *__s1, const wchar_t *__s2,
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size_t __n) attribute_hidden;
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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 wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
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size_t __ns) __THROW;
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extern int __vfwscanf (__FILE *__restrict __s,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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attribute_hidden
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/* __attribute__ ((__format__ (__wscanf__, 2, 0)) */;
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extern int __fwprintf (__FILE *__restrict __s,
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const wchar_t *__restrict __format, ...)
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attribute_hidden
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/* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
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extern int __vfwprintf_chk (FILE *__restrict __s, int __flag,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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/* __attribute__ ((__format__ (__wprintf__, 3, 0))) */;
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extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
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int __flag, size_t __s_len,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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/* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
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extern int __isoc99_fwscanf (__FILE *__restrict __stream,
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const wchar_t *__restrict __format, ...);
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extern int __isoc99_wscanf (const wchar_t *__restrict __format, ...);
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extern int __isoc99_swscanf (const wchar_t *__restrict __s,
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const wchar_t *__restrict __format, ...)
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__THROW;
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extern int __isoc99_vfwscanf (__FILE *__restrict __s,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg);
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extern int __isoc99_vwscanf (const wchar_t *__restrict __format,
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__gnuc_va_list __arg);
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extern int __isoc99_vswscanf (const wchar_t *__restrict __s,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg) __THROW;
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libc_hidden_proto (__isoc99_vswscanf)
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libc_hidden_proto (__isoc99_vfwscanf)
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/* Internal functions. */
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extern size_t __mbsrtowcs_l (wchar_t *dst, const char **src, size_t len,
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mbstate_t *ps, locale_t l) attribute_hidden;
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/* Special version. We know that all uses of mbsinit inside the libc
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have a non-NULL parameter. And certainly we can access the
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internals of the data structure directly. */
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# define mbsinit(state) ((state)->__count == 0)
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# define __mbsinit(state) ((state)->__count == 0)
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# endif
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#endif
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