title: NSMutableString to char *
body: <p>Hot can I convert an NSMutableString to char *?</p>
  
  <p>e.g.</p>
  
  <pre><code>NSString* someval = @"This is a test.";
  NSMutableString *temp = [NSMutableSTring stringWithString:someval];
  char * temp2 = ????Not sure what to do here???;
  </code></pre>