混合代码生成的视图控制器和故事板

I've got a huge storyboard with lots of views defined. Now I created an additional view (and it's view controller) completely in code. How do I use that new, code-generated view in a storyboard? To make this a little bit more clear: I have three view controllers: A, B and C. A and C are defined via storyboards and work just fine. B is the one I generated in code. How do I wire this up?I've got a huge storyboard with lots of views d