title: Const at the end of function declaration in C++
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/751681/meaning-of-const-last-in-a-c-method-declaration">Meaning of &ldquo;const&rdquo; last in a C++ method declaration?</a>  </p>
  </blockquote>
  
  
  
  <p>In the below function declaration,   </p>
  
  <pre><code>const char* c_str ( ) const;  
  </code></pre>
  
  <p>what does the second const do ?</p>