title: Incompatible integer to pointer conversion
body: <p>i am checking if the directory exist but i get a warning </p>
  
  <blockquote>
    <p>Incompatible integer to pointer conversion sending 'BOOL' (aka 'signed
    char') to parameter of type 'BOOL *' (aka 'signed char *')</p>
  </blockquote>
  
  <pre><code> BOOL isFile ;
   isFile = [[NSFileManager defaultManager] fileExistsAtPath:[dirurl path] isDirectory:YES];
  </code></pre>
  
  <p>why do i get this warning and how to fix it </p>