Convert an string to unicode in objective C
<p>I need to convert a string to unicode (hex) char, I am to to do unicode to string using the below code</p>

<pre><code>[NSString stringWithFormat:@"%C",0x2665];
</code></pre>

<p>but I am not able to exactly reverse of this.</p>

<p>What will be the code snippet for this</p>