title: Converting NSData to int
body: <p>I've an NSData object, the length is 4 bytes .These four bytes i'm extracting from another NSData object using ,</p>
  
  <pre><code>fourByteData=[completeData subdataWithRange:NSMakeRange(0, 16)];
  </code></pre>
  
  <p>My first question is, will the above statement provide me the first four bytes of complete data.</p>
  
  <p>If Yes, then how to convert all these bytes to an equivalent int.</p>