title: searching substrings in char array
body: <p>As I know there is a function in C++ string which performs substring search: string1.find(string2).</p>
  
  <p>Is there any way to perform the same action in char? Below is my question:</p>
  
  <pre><code>    #include &lt;iostream&gt;
      #include &lt;cstring&gt;
      using namespace std;
      int main()
      { 
        char a[]="hello world!";
        char b[]="el";
        //find substring b[] in a[]
  
  
      }
  </code></pre>
  
  <p>let's say i need to find substring "el" in the string, is it possible to do that?</p>