title: How to use otool to detect nonpublic apis in iphone and ipad
body: <p>My app was rejected for the first time I submitted because of use of non public apis.So I wanted to make sure that I avoid using private apis in my code.I have gone through google and found that I can use otool to detect non public apis in our code .But Im confused how to use it.I dont find it clearly anywhere .I'm using Xcode 4.5 </p>
  
  <p>How can I use it to detect private api's in my code ?</p>