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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head> <meta name="generator" content= "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org"> <title>c_str</title> <link href="../cppreference.css" rel="stylesheet" type="text/css"></head><body><table> <tr> <td> <div class="body-content"> <div class="header-box"> <a href="../index.html">cppreference.com</a> > <a href= "index.html">C++ Strings</a> > <a href="c_str.html">c_str</a> </div> <div class="name-format"> c_str </div> <div class="syntax-name-format"> Syntax: </div> <pre class="syntax-box"> #include <string> const char* c_str();</pre> <p>The function c_str() returns a const pointer to a regular C string, identical to the current string. The returned string is null-terminated.</p> <p>Note that since the returned pointer is of type <a href="../keywords/const.html">const</a>, the character data that c_str() returns <strong>cannot be modified</strong>. Furthermore, you do not need to call <a href="../stdmem/free.html">free()</a> or <a href="../keywords/delete.html">delete</a> on this pointer.</p> <div class="related-name-format"> Related topics: </div> <div class="related-content"> <a href="string_operators.html">String operators</a><br> <a href="data.html">data</a> </div> </div> </td> </tr> </table></body></html>⌨️ 快捷键说明
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