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150
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1 // -*- C++ -*-
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2 //===--------------------------- iosfwd -----------------------------------===//
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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 #ifndef _LIBCPP_IOSFWD
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11 #define _LIBCPP_IOSFWD
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12
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13 /*
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14 iosfwd synopsis
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15
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16 namespace std
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17 {
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18
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19 template<class charT> struct char_traits;
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20 template<> struct char_traits<char>;
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21 template<> struct char_traits<char8_t>; // C++20
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22 template<> struct char_traits<char16_t>;
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23 template<> struct char_traits<char32_t>;
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24 template<> struct char_traits<wchar_t>;
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25
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26 template<class T> class allocator;
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27
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28 class ios_base;
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29 template <class charT, class traits = char_traits<charT> > class basic_ios;
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30
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31 template <class charT, class traits = char_traits<charT> > class basic_streambuf;
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32 template <class charT, class traits = char_traits<charT> > class basic_istream;
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33 template <class charT, class traits = char_traits<charT> > class basic_ostream;
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34 template <class charT, class traits = char_traits<charT> > class basic_iostream;
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35
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36 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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37 class basic_stringbuf;
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38 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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39 class basic_istringstream;
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40 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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41 class basic_ostringstream;
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42 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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43 class basic_stringstream;
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44
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45 template <class charT, class traits = char_traits<charT> > class basic_filebuf;
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46 template <class charT, class traits = char_traits<charT> > class basic_ifstream;
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47 template <class charT, class traits = char_traits<charT> > class basic_ofstream;
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48 template <class charT, class traits = char_traits<charT> > class basic_fstream;
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49
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50 template <class charT, class traits = char_traits<charT> > class istreambuf_iterator;
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51 template <class charT, class traits = char_traits<charT> > class ostreambuf_iterator;
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52
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53 typedef basic_ios<char> ios;
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54 typedef basic_ios<wchar_t> wios;
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55
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56 typedef basic_streambuf<char> streambuf;
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57 typedef basic_istream<char> istream;
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58 typedef basic_ostream<char> ostream;
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59 typedef basic_iostream<char> iostream;
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60
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61 typedef basic_stringbuf<char> stringbuf;
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62 typedef basic_istringstream<char> istringstream;
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63 typedef basic_ostringstream<char> ostringstream;
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64 typedef basic_stringstream<char> stringstream;
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65
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66 typedef basic_filebuf<char> filebuf;
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67 typedef basic_ifstream<char> ifstream;
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68 typedef basic_ofstream<char> ofstream;
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69 typedef basic_fstream<char> fstream;
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70
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71 typedef basic_streambuf<wchar_t> wstreambuf;
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72 typedef basic_istream<wchar_t> wistream;
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73 typedef basic_ostream<wchar_t> wostream;
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74 typedef basic_iostream<wchar_t> wiostream;
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75
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76 typedef basic_stringbuf<wchar_t> wstringbuf;
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77 typedef basic_istringstream<wchar_t> wistringstream;
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78 typedef basic_ostringstream<wchar_t> wostringstream;
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79 typedef basic_stringstream<wchar_t> wstringstream;
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80
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81 typedef basic_filebuf<wchar_t> wfilebuf;
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82 typedef basic_ifstream<wchar_t> wifstream;
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83 typedef basic_ofstream<wchar_t> wofstream;
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84 typedef basic_fstream<wchar_t> wfstream;
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85
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86 template <class state> class fpos;
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87 typedef fpos<char_traits<char>::state_type> streampos;
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88 typedef fpos<char_traits<wchar_t>::state_type> wstreampos;
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89
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90 } // std
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91
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92 */
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93
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94 #include <__config>
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95 #include <wchar.h> // for mbstate_t
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96
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97 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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98 #pragma GCC system_header
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99 #endif
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100
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101 _LIBCPP_BEGIN_NAMESPACE_STD
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102
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103 class _LIBCPP_TYPE_VIS ios_base;
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104
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105 template<class _CharT> struct _LIBCPP_TEMPLATE_VIS char_traits;
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106 template<> struct char_traits<char>;
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107 #ifndef _LIBCPP_NO_HAS_CHAR8_T
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108 template<> struct char_traits<char8_t>;
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109 #endif
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110 template<> struct char_traits<char16_t>;
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111 template<> struct char_traits<char32_t>;
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112 template<> struct char_traits<wchar_t>;
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113
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114 template<class _Tp> class _LIBCPP_TEMPLATE_VIS allocator;
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115
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116 template <class _CharT, class _Traits = char_traits<_CharT> >
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117 class _LIBCPP_TEMPLATE_VIS basic_ios;
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118
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119 template <class _CharT, class _Traits = char_traits<_CharT> >
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120 class _LIBCPP_TEMPLATE_VIS basic_streambuf;
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121 template <class _CharT, class _Traits = char_traits<_CharT> >
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122 class _LIBCPP_TEMPLATE_VIS basic_istream;
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123 template <class _CharT, class _Traits = char_traits<_CharT> >
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124 class _LIBCPP_TEMPLATE_VIS basic_ostream;
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125 template <class _CharT, class _Traits = char_traits<_CharT> >
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126 class _LIBCPP_TEMPLATE_VIS basic_iostream;
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127
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128 template <class _CharT, class _Traits = char_traits<_CharT>,
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129 class _Allocator = allocator<_CharT> >
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130 class _LIBCPP_TEMPLATE_VIS basic_stringbuf;
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131 template <class _CharT, class _Traits = char_traits<_CharT>,
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132 class _Allocator = allocator<_CharT> >
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133 class _LIBCPP_TEMPLATE_VIS basic_istringstream;
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134 template <class _CharT, class _Traits = char_traits<_CharT>,
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135 class _Allocator = allocator<_CharT> >
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136 class _LIBCPP_TEMPLATE_VIS basic_ostringstream;
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137 template <class _CharT, class _Traits = char_traits<_CharT>,
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138 class _Allocator = allocator<_CharT> >
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139 class _LIBCPP_TEMPLATE_VIS basic_stringstream;
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140
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141 template <class _CharT, class _Traits = char_traits<_CharT> >
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142 class _LIBCPP_TEMPLATE_VIS basic_filebuf;
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143 template <class _CharT, class _Traits = char_traits<_CharT> >
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144 class _LIBCPP_TEMPLATE_VIS basic_ifstream;
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145 template <class _CharT, class _Traits = char_traits<_CharT> >
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146 class _LIBCPP_TEMPLATE_VIS basic_ofstream;
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147 template <class _CharT, class _Traits = char_traits<_CharT> >
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148 class _LIBCPP_TEMPLATE_VIS basic_fstream;
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149
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150 template <class _CharT, class _Traits = char_traits<_CharT> >
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151 class _LIBCPP_TEMPLATE_VIS istreambuf_iterator;
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152 template <class _CharT, class _Traits = char_traits<_CharT> >
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153 class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator;
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154
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155 typedef basic_ios<char> ios;
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156 typedef basic_ios<wchar_t> wios;
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157
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158 typedef basic_streambuf<char> streambuf;
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159 typedef basic_istream<char> istream;
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160 typedef basic_ostream<char> ostream;
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161 typedef basic_iostream<char> iostream;
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162
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163 typedef basic_stringbuf<char> stringbuf;
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164 typedef basic_istringstream<char> istringstream;
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165 typedef basic_ostringstream<char> ostringstream;
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166 typedef basic_stringstream<char> stringstream;
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167
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168 typedef basic_filebuf<char> filebuf;
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169 typedef basic_ifstream<char> ifstream;
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170 typedef basic_ofstream<char> ofstream;
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171 typedef basic_fstream<char> fstream;
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172
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173 typedef basic_streambuf<wchar_t> wstreambuf;
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174 typedef basic_istream<wchar_t> wistream;
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175 typedef basic_ostream<wchar_t> wostream;
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176 typedef basic_iostream<wchar_t> wiostream;
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177
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178 typedef basic_stringbuf<wchar_t> wstringbuf;
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179 typedef basic_istringstream<wchar_t> wistringstream;
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180 typedef basic_ostringstream<wchar_t> wostringstream;
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181 typedef basic_stringstream<wchar_t> wstringstream;
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182
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183 typedef basic_filebuf<wchar_t> wfilebuf;
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184 typedef basic_ifstream<wchar_t> wifstream;
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185 typedef basic_ofstream<wchar_t> wofstream;
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186 typedef basic_fstream<wchar_t> wfstream;
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187
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188 template <class _State> class _LIBCPP_TEMPLATE_VIS fpos;
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189 typedef fpos<mbstate_t> streampos;
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190 typedef fpos<mbstate_t> wstreampos;
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191 #ifndef _LIBCPP_NO_HAS_CHAR8_T
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192 typedef fpos<mbstate_t> u8streampos;
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193 #endif
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194 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
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195 typedef fpos<mbstate_t> u16streampos;
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196 typedef fpos<mbstate_t> u32streampos;
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197 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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198
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199 #if defined(_NEWLIB_VERSION)
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200 // On newlib, off_t is 'long int'
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201 typedef long int streamoff; // for char_traits in <string>
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202 #else
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203 typedef long long streamoff; // for char_traits in <string>
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204 #endif
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205
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206 template <class _CharT, // for <stdexcept>
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207 class _Traits = char_traits<_CharT>,
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208 class _Allocator = allocator<_CharT> >
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209 class _LIBCPP_TEMPLATE_VIS basic_string;
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210 typedef basic_string<char, char_traits<char>, allocator<char> > string;
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211 typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstring;
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212
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213
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214 // Include other forward declarations here
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215 template <class _Tp, class _Alloc = allocator<_Tp> >
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216 class _LIBCPP_TEMPLATE_VIS vector;
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217
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218 _LIBCPP_END_NAMESPACE_STD
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219
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220 #endif // _LIBCPP_IOSFWD
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