<!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++: cctype 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('a00191_source.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">cctype</div> </div> </div><!--header--> <div class="contents"> <a href="a00191.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/cctype</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 ctype.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: <ccytpe></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 <ctype.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_CCTYPE</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define _GLIBCXX_CCTYPE 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="comment">// Get rid of those macros defined in <ctype.h> in lieu of real functions.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#undef isalnum</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#undef isalpha</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#undef iscntrl</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#undef isdigit</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#undef isgraph</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#undef islower</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#undef isprint</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#undef ispunct</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#undef isspace</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#undef isupper</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#undef isxdigit</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#undef tolower</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#undef toupper</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="a01538.html#a5ed2f4fbd4906acc523688bd4413c0a7">using ::isalnum</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="a01538.html#ad9b540b5d331edca5e6b8c9ac0ae2b41">using ::isalpha</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="a01538.html#adcec25eda0a6f12b4c9d7453f30a5a69">using ::iscntrl</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="a01538.html#a385dc92279bd0d29a34d143be653d0e1">using ::isdigit</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="a01538.html#a03fa822c443ea8d03c55c7a4affc204f">using ::isgraph</a>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="a01538.html#a21d54d07c27156b1bb5c49155cbd58d1">using ::islower</a>;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="a01538.html#acb62bfd8b68d18e2f7902f6bc953b5be">using ::isprint</a>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="a01538.html#a74f97c8b1d25427e90b431e45bfba150">using ::ispunct</a>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="a01538.html#a1adaf858b8edfbfdfcb64f9f6086827e">using ::isspace</a>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="a01538.html#a50bacb17f1babb86a1239cdc0cf66089">using ::isupper</a>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="a01538.html#a2176db62da3573c57096dfe6c2221cb3">using ::isxdigit</a>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="a01538.html#aba2090a5dfff15a593e3fea40eebed91">using ::tolower</a>;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="a01538.html#a4578341d5a9a5b937351d2f976ab7180">using ::toupper</a>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#ifdef _GLIBCXX_USE_C99_CTYPE_TR1</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#undef isblank</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="a01538.html#a40d8b84052bcaa94888bad01890ce72c">using ::isblank</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif // _GLIBCXX_USE_C99_CTYPE_TR1</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#endif // C++11</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="a01538_html_a40d8b84052bcaa94888bad01890ce72c"><div class="ttname"><a href="a01538.html#a40d8b84052bcaa94888bad01890ce72c">std::isblank</a></div><div class="ttdeci">bool isblank(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::blank, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02636">locale_facets.h:2636</a></div></div> <div class="ttc" id="a00656_html"><div class="ttname"><a href="a00656.html">c++config.h</a></div></div> <div class="ttc" id="a01538_html_a50bacb17f1babb86a1239cdc0cf66089"><div class="ttname"><a href="a01538.html#a50bacb17f1babb86a1239cdc0cf66089">std::isupper</a></div><div class="ttdeci">bool isupper(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::upper, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02587">locale_facets.h:2587</a></div></div> <div class="ttc" id="a01538_html_a21d54d07c27156b1bb5c49155cbd58d1"><div class="ttname"><a href="a01538.html#a21d54d07c27156b1bb5c49155cbd58d1">std::islower</a></div><div class="ttdeci">bool islower(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::lower, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02593">locale_facets.h:2593</a></div></div> <div class="ttc" id="a01538_html_a5ed2f4fbd4906acc523688bd4413c0a7"><div class="ttname"><a href="a01538.html#a5ed2f4fbd4906acc523688bd4413c0a7">std::isalnum</a></div><div class="ttdeci">bool isalnum(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::alnum, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02623">locale_facets.h:2623</a></div></div> <div class="ttc" id="a01538_html_a74f97c8b1d25427e90b431e45bfba150"><div class="ttname"><a href="a01538.html#a74f97c8b1d25427e90b431e45bfba150">std::ispunct</a></div><div class="ttdeci">bool ispunct(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::punct, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02611">locale_facets.h:2611</a></div></div> <div class="ttc" id="a01538_html_a2176db62da3573c57096dfe6c2221cb3"><div class="ttname"><a href="a01538.html#a2176db62da3573c57096dfe6c2221cb3">std::isxdigit</a></div><div class="ttdeci">bool isxdigit(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::xdigit, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02617">locale_facets.h:2617</a></div></div> <div class="ttc" id="a01538_html_a1adaf858b8edfbfdfcb64f9f6086827e"><div class="ttname"><a href="a01538.html#a1adaf858b8edfbfdfcb64f9f6086827e">std::isspace</a></div><div class="ttdeci">bool isspace(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::space, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02569">locale_facets.h:2569</a></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 class="ttc" id="a01538_html_a385dc92279bd0d29a34d143be653d0e1"><div class="ttname"><a href="a01538.html#a385dc92279bd0d29a34d143be653d0e1">std::isdigit</a></div><div class="ttdeci">bool isdigit(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::digit, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02605">locale_facets.h:2605</a></div></div> <div class="ttc" id="a01538_html_aba2090a5dfff15a593e3fea40eebed91"><div class="ttname"><a href="a01538.html#aba2090a5dfff15a593e3fea40eebed91">std::tolower</a></div><div class="ttdeci">_CharT tolower(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.tolower(__c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02649">locale_facets.h:2649</a></div></div> <div class="ttc" id="a01538_html_ad9b540b5d331edca5e6b8c9ac0ae2b41"><div class="ttname"><a href="a01538.html#ad9b540b5d331edca5e6b8c9ac0ae2b41">std::isalpha</a></div><div class="ttdeci">bool isalpha(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::alpha, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02599">locale_facets.h:2599</a></div></div> <div class="ttc" id="a01538_html_a03fa822c443ea8d03c55c7a4affc204f"><div class="ttname"><a href="a01538.html#a03fa822c443ea8d03c55c7a4affc204f">std::isgraph</a></div><div class="ttdeci">bool isgraph(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::graph, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02629">locale_facets.h:2629</a></div></div> <div class="ttc" id="a01538_html_adcec25eda0a6f12b4c9d7453f30a5a69"><div class="ttname"><a href="a01538.html#adcec25eda0a6f12b4c9d7453f30a5a69">std::iscntrl</a></div><div class="ttdeci">bool iscntrl(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::cntrl, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02581">locale_facets.h:2581</a></div></div> <div class="ttc" id="a01538_html_acb62bfd8b68d18e2f7902f6bc953b5be"><div class="ttname"><a href="a01538.html#acb62bfd8b68d18e2f7902f6bc953b5be">std::isprint</a></div><div class="ttdeci">bool isprint(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.is(ctype_base::print, __c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02575">locale_facets.h:2575</a></div></div> <div class="ttc" id="a01538_html_a4578341d5a9a5b937351d2f976ab7180"><div class="ttname"><a href="a01538.html#a4578341d5a9a5b937351d2f976ab7180">std::toupper</a></div><div class="ttdeci">_CharT toupper(_CharT __c, const locale &__loc)</div><div class="ttdoc">Convenience interface to ctype.toupper(__c).</div><div class="ttdef"><b>Definition:</b> <a href="a00401_source.html#l02643">locale_facets.h:2643</a></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" href="a00191.html">cctype</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li> </ul> </div> </body> </html>