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1 // -*- C++ -*-
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236
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2 //===----------------------------------------------------------------------===//
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3 //
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4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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5 // See https://llvm.org/LICENSE.txt for license information.
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6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #if defined(__need_wint_t) || defined(__need_mbstate_t)
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11
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12 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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13 # pragma GCC system_header
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14 #endif
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15
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16 #include_next <wchar.h>
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17
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18 #elif !defined(_LIBCPP_WCHAR_H)
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19 #define _LIBCPP_WCHAR_H
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20
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21 /*
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22 wchar.h synopsis
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23
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24 Macros:
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25
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26 NULL
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27 WCHAR_MAX
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28 WCHAR_MIN
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29 WEOF
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30
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31 Types:
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32
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33 mbstate_t
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34 size_t
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35 tm
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36 wint_t
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37
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38 int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...);
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39 int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...);
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40 int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...);
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41 int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...);
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42 int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg);
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43 int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); // C99
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44 int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg);
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45 int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg); // C99
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46 int vwprintf(const wchar_t* restrict format, va_list arg);
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47 int vwscanf(const wchar_t* restrict format, va_list arg); // C99
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48 int wprintf(const wchar_t* restrict format, ...);
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49 int wscanf(const wchar_t* restrict format, ...);
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50 wint_t fgetwc(FILE* stream);
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51 wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream);
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52 wint_t fputwc(wchar_t c, FILE* stream);
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53 int fputws(const wchar_t* restrict s, FILE* restrict stream);
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54 int fwide(FILE* stream, int mode);
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55 wint_t getwc(FILE* stream);
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56 wint_t getwchar();
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57 wint_t putwc(wchar_t c, FILE* stream);
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58 wint_t putwchar(wchar_t c);
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59 wint_t ungetwc(wint_t c, FILE* stream);
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60 double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr);
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61 float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99
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62 long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99
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63 long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
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64 long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99
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65 unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
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66 unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99
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67 wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2);
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68 wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
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69 wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2);
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70 wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
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71 int wcscmp(const wchar_t* s1, const wchar_t* s2);
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72 int wcscoll(const wchar_t* s1, const wchar_t* s2);
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73 int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n);
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74 size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
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75 const wchar_t* wcschr(const wchar_t* s, wchar_t c);
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76 wchar_t* wcschr( wchar_t* s, wchar_t c);
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77 size_t wcscspn(const wchar_t* s1, const wchar_t* s2);
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78 size_t wcslen(const wchar_t* s);
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79 const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2);
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80 wchar_t* wcspbrk( wchar_t* s1, const wchar_t* s2);
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81 const wchar_t* wcsrchr(const wchar_t* s, wchar_t c);
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82 wchar_t* wcsrchr( wchar_t* s, wchar_t c);
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83 size_t wcsspn(const wchar_t* s1, const wchar_t* s2);
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84 const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2);
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85 wchar_t* wcsstr( wchar_t* s1, const wchar_t* s2);
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86 wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr);
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87 const wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n);
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88 wchar_t* wmemchr( wchar_t* s, wchar_t c, size_t n);
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89 int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
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90 wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
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91 wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n);
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92 wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n);
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93 size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format,
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94 const tm* restrict timeptr);
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95 wint_t btowc(int c);
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96 int wctob(wint_t c);
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97 int mbsinit(const mbstate_t* ps);
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98 size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps);
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99 size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps);
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100 size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps);
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101 size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len,
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102 mbstate_t* restrict ps);
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103 size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
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104 mbstate_t* restrict ps);
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105
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106 */
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107
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108 #include <__config>
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221
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109 #include <stddef.h>
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150
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110
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111 #if defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS)
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112 # error "The <wchar.h> header is not supported since libc++ has been configured with LIBCXX_ENABLE_WIDE_CHARACTERS disabled"
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113 #endif
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114
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115 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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236
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116 # pragma GCC system_header
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117 #endif
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118
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119 // We define this here to support older versions of glibc <wchar.h> that do
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120 // not define this for clang.
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150
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121 #ifdef __cplusplus
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122 #define __CORRECT_ISO_CPP_WCHAR_H_PROTO
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123 #endif
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124
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252
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125 # if __has_include_next(<wchar.h>)
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126 # include_next <wchar.h>
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127 # else
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128 # include <__mbstate_t.h> // make sure we have mbstate_t regardless of the existence of <wchar.h>
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129 # endif
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150
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130
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131 // Determine whether we have const-correct overloads for wcschr and friends.
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132 #if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
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133 # define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
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134 #elif defined(__GLIBC_PREREQ)
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135 # if __GLIBC_PREREQ(2, 10)
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136 # define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
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137 # endif
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138 #elif defined(_LIBCPP_MSVCRT)
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139 # if defined(_CRT_CONST_CORRECT_OVERLOADS)
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140 # define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
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141 # endif
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142 #endif
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143
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144 #if defined(__cplusplus) && !defined(_LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD)
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145 extern "C++" {
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146 inline _LIBCPP_INLINE_VISIBILITY
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147 wchar_t* __libcpp_wcschr(const wchar_t* __s, wchar_t __c) {return (wchar_t*)wcschr(__s, __c);}
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148 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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149 const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return __libcpp_wcschr(__s, __c);}
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150 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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151 wchar_t* wcschr( wchar_t* __s, wchar_t __c) {return __libcpp_wcschr(__s, __c);}
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152
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153 inline _LIBCPP_INLINE_VISIBILITY
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154 wchar_t* __libcpp_wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return (wchar_t*)wcspbrk(__s1, __s2);}
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155 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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156 const wchar_t* wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcspbrk(__s1, __s2);}
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157 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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158 wchar_t* wcspbrk( wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcspbrk(__s1, __s2);}
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159
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160 inline _LIBCPP_INLINE_VISIBILITY
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161 wchar_t* __libcpp_wcsrchr(const wchar_t* __s, wchar_t __c) {return (wchar_t*)wcsrchr(__s, __c);}
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162 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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163 const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {return __libcpp_wcsrchr(__s, __c);}
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164 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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165 wchar_t* wcsrchr( wchar_t* __s, wchar_t __c) {return __libcpp_wcsrchr(__s, __c);}
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166
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167 inline _LIBCPP_INLINE_VISIBILITY
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168 wchar_t* __libcpp_wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return (wchar_t*)wcsstr(__s1, __s2);}
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169 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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170 const wchar_t* wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcsstr(__s1, __s2);}
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171 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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172 wchar_t* wcsstr( wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcsstr(__s1, __s2);}
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173
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174 inline _LIBCPP_INLINE_VISIBILITY
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175 wchar_t* __libcpp_wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return (wchar_t*)wmemchr(__s, __c, __n);}
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176 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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177 const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return __libcpp_wmemchr(__s, __c, __n);}
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178 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
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179 wchar_t* wmemchr( wchar_t* __s, wchar_t __c, size_t __n) {return __libcpp_wmemchr(__s, __c, __n);}
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180 }
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181 #endif
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182
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183 #if defined(__cplusplus) && (defined(_LIBCPP_MSVCRT_LIKE) || defined(__MVS__))
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184 extern "C" {
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185 size_t mbsnrtowcs(wchar_t *__restrict __dst, const char **__restrict __src,
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186 size_t __nmc, size_t __len, mbstate_t *__restrict __ps);
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187 size_t wcsnrtombs(char *__restrict __dst, const wchar_t **__restrict __src,
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188 size_t __nwc, size_t __len, mbstate_t *__restrict __ps);
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252
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189 } // extern "C"
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190 #endif // __cplusplus && (_LIBCPP_MSVCRT || __MVS__)
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191
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192 #endif // _LIBCPP_WCHAR_H
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