<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.15"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: cstdio Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(initResizable); /* @license-end */</script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.15 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('a00239_source.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">cstdio</div> </div> </div><!--header--> <div class="contents"> <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> <span class="comment">// -*- C++ -*- forwarding header.</span></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> <span class="comment">// Copyright (C) 1997-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></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> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></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> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></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> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file include/cstdio</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is a Standard C++ Library file. You should @c \#include this file</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * in your programs, rather than any of the @a *.h implementation files.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * This is the C++ version of the Standard C Library header @c stdio.h,</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * and its contents are (mostly) the same as that header, but are all</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * contained in the namespace @c std (except for names which are defined</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * as macros in C).</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> */</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> <span class="comment">//</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// ISO C++ 14882: 27.8.2 C Library files</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</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> <span class="preprocessor">#pragma GCC system_header</span></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> <span class="preprocessor">#include <<a class="code" href="a00656.html">bits/c++config.h</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <stdio.h></span></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> <span class="preprocessor">#ifndef _GLIBCXX_CSTDIO</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define _GLIBCXX_CSTDIO 1</span></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> <span class="preprocessor">#if __cplusplus <= 201103L && !defined(_GLIBCXX_HAVE_GETS)</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> <span class="keywordtype">char</span>* gets (<span class="keywordtype">char</span>* __s) __attribute__((__deprecated__));</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#endif</span></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> <span class="comment">// Get rid of those macros defined in <stdio.h> in lieu of real functions.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#undef clearerr</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#undef fclose</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#undef feof</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#undef ferror</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#undef fflush</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#undef fgetc</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#undef fgetpos</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#undef fgets</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#undef fopen</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#undef fprintf</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#undef fputc</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#undef fputs</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#undef fread</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#undef freopen</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#undef fscanf</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#undef fseek</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#undef fsetpos</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#undef ftell</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#undef fwrite</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#undef getc</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#undef getchar</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#if __cplusplus <= 201103L</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"># undef gets</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#undef perror</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#undef printf</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#undef putc</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#undef putchar</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#undef puts</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#undef remove</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#undef rename</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#undef rewind</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#undef scanf</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#undef setbuf</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#undef setvbuf</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#undef sprintf</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#undef sscanf</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#undef tmpfile</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#undef tmpnam</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#undef ungetc</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#undef vfprintf</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#undef vprintf</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#undef vsprintf</span></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> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a></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> <span class="preprocessor">#if __cplusplus <= 201103L</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// LWG 2249</span></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> <span class="preprocessor">#endif</span></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> <span class="preprocessor">#if _GLIBCXX_USE_TMPNAM</span></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> <span class="preprocessor">#endif</span></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> } <span class="comment">// namespace</span></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> <span class="preprocessor">#if _GLIBCXX_USE_C99_STDIO</span></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> <span class="preprocessor">#undef snprintf</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#undef vfscanf</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#undef vscanf</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#undef vsnprintf</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#undef vsscanf</span></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> <span class="keyword">namespace </span><a class="code" href="a01544.html">__gnu_cxx</a></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> <span class="preprocessor">#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span> int</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  (snprintf)(<span class="keywordtype">char</span> * __restrict, std::size_t, <span class="keyword">const</span> <span class="keywordtype">char</span> * __restrict, ...)</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">throw</span> ();</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span> int</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  (vfscanf)(FILE * __restrict, <span class="keyword">const</span> <span class="keywordtype">char</span> * __restrict, __gnuc_va_list);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span> int (vscanf)(<span class="keyword">const</span> <span class="keywordtype">char</span> * __restrict, __gnuc_va_list);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span> int</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  (vsnprintf)(<span class="keywordtype">char</span> * __restrict, std::size_t, <span class="keyword">const</span> <span class="keywordtype">char</span> * __restrict,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  __gnuc_va_list) <span class="keywordflow">throw</span> ();</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span> int</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  (vsscanf)(<span class="keyword">const</span> <span class="keywordtype">char</span> * __restrict, <span class="keyword">const</span> <span class="keywordtype">char</span> * __restrict, __gnuc_va_list)</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">throw</span> ();</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#endif</span></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> <span class="preprocessor">#if !_GLIBCXX_USE_C99_DYNAMIC</span></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> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> } <span class="comment">// namespace __gnu_cxx</span></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> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a></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> } <span class="comment">// namespace std</span></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> <span class="preprocessor">#endif // _GLIBCXX_USE_C99_STDIO</span></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> <span class="preprocessor">#endif</span></div><div class="ttc" id="a00656_html"><div class="ttname"><a href="a00656.html">c++config.h</a></div></div> <div class="ttc" id="a01544_html"><div class="ttname"><a href="a01544.html">__gnu_cxx</a></div><div class="ttdoc">GNU extensions for public use.</div></div> <div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_3a83f109ff04170a1f8448445d1bdcba.html">include</a></li><li class="navelem"><a class="el" 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