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<a href="a00239.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> // -*- C++ -*- forwarding header.</div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> // Copyright (C) 1997-2018 Free Software Foundation, Inc.</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> //</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> // This file is part of the GNU ISO C++ Library. This library is free</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> // software; you can redistribute it and/or modify it under the</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> // terms of the GNU General Public License as published by the</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> // Free Software Foundation; either version 3, or (at your option)</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> // any later version.</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> // This library is distributed in the hope that it will be useful,</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> // but WITHOUT ANY WARRANTY; without even the implied warranty of</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> // GNU General Public License for more details.</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> // Under Section 7 of GPL version 3, you are granted additional</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> // permissions described in the GCC Runtime Library Exception, version</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> // 3.1, as published by the Free Software Foundation.</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> // You should have received a copy of the GNU General Public License and</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> // a copy of the GCC Runtime Library Exception along with this program;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> // <http://www.gnu.org/licenses/>.</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> /** @file include/cstdio</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  * This is a Standard C++ Library file. You should @c \#include this file</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  * in your programs, rather than any of the @a *.h implementation files.</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  *</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  * This is the C++ version of the Standard C Library header @c stdio.h,</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  * and its contents are (mostly) the same as that header, but are all</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  * contained in the namespace @c std (except for names which are defined</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  * as macros in C).</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  */</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> //</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> // ISO C++ 14882: 27.8.2 C Library files</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> //</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> #pragma GCC system_header</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> #include <bits/c++config.h></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> #include <stdio.h></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> #ifndef _GLIBCXX_CSTDIO</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> #define _GLIBCXX_CSTDIO 1</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> #if __cplusplus <= 201103L && !defined(_GLIBCXX_HAVE_GETS)</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> extern "C" char* gets (char* __s) __attribute__((__deprecated__));</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> #endif</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> // Get rid of those macros defined in <stdio.h> in lieu of real functions.</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> #undef clearerr</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> #undef fclose</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> #undef feof</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> #undef ferror</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> #undef fflush</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> #undef fgetc</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> #undef fgetpos</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> #undef fgets</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> #undef fopen</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> #undef fprintf</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> #undef fputc</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> #undef fputs</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> #undef fread</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> #undef freopen</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> #undef fscanf</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> #undef fseek</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> #undef fsetpos</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> #undef ftell</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> #undef fwrite</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> #undef getc</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> #undef getchar</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> #if __cplusplus <= 201103L</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> # undef gets</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> #endif</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> #undef perror</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> #undef printf</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> #undef putc</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> #undef putchar</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> #undef puts</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> #undef remove</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> #undef rename</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> #undef rewind</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> #undef scanf</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> #undef setbuf</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> #undef setvbuf</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> #undef sprintf</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> #undef sscanf</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> #undef tmpfile</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> #undef tmpnam</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> #undef ungetc</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> #undef vfprintf</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> #undef vprintf</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> #undef vsprintf</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> namespace std</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  using ::FILE;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  using ::fpos_t;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  using ::clearerr;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  using ::fclose;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  using ::feof;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  using ::ferror;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  using ::fflush;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  using ::fgetc;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  using ::fgetpos;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  using ::fgets;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  using ::fopen;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  using ::fprintf;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  using ::fputc;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  using ::fputs;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  using ::fread;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  using ::freopen;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  using ::fscanf;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  using ::fseek;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  using ::fsetpos;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  using ::ftell;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  using ::fwrite;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  using ::getc;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  using ::getchar;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> #if __cplusplus <= 201103L</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  // LWG 2249</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  using ::gets;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> #endif</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  using ::perror;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  using ::printf;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  using ::putc;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  using ::putchar;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  using ::puts;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  using ::remove;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  using ::rename;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  using ::rewind;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  using ::scanf;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  using ::setbuf;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  using ::setvbuf;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  using ::sprintf;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  using ::sscanf;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  using ::tmpfile;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> #if _GLIBCXX_USE_TMPNAM</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  using ::tmpnam;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> #endif</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  using ::ungetc;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  using ::vfprintf;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  using ::vprintf;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  using ::vsprintf;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> } // namespace</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> #if _GLIBCXX_USE_C99_STDIO</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> #undef snprintf</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> #undef vfscanf</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> #undef vscanf</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> #undef vsnprintf</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> #undef vsscanf</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> namespace __gnu_cxx</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  extern "C" int</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  (snprintf)(char * __restrict, std::size_t, const char * __restrict, ...)</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  throw ();</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  extern "C" int</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  (vfscanf)(FILE * __restrict, const char * __restrict, __gnuc_va_list);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  extern "C" int (vscanf)(const char * __restrict, __gnuc_va_list);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  extern "C" int</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  (vsnprintf)(char * __restrict, std::size_t, const char * __restrict,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  __gnuc_va_list) throw ();</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  extern "C" int</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  (vsscanf)(const char * __restrict, const char * __restrict, __gnuc_va_list)</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  throw ();</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> #endif</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> #if !_GLIBCXX_USE_C99_DYNAMIC</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  using ::snprintf;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  using ::vfscanf;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  using ::vscanf;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  using ::vsnprintf;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  using ::vsscanf;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> #endif</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> } // namespace __gnu_cxx</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> namespace std</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  using ::__gnu_cxx::snprintf;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  using ::__gnu_cxx::vfscanf;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  using ::__gnu_cxx::vscanf;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  using ::__gnu_cxx::vsnprintf;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  using ::__gnu_cxx::vsscanf;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> } // namespace std</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> #endif // _GLIBCXX_USE_C99_STDIO</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> #endif</div></div><!-- fragment --></div><!-- contents -->
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