How to pass values by reference in objective C (iphone)

Question

I have a very basic question. I\'m a new iPhone programmer. My question is can anybody tell me how can I pass values by reference to a function in obj. C? I know how to do

Answer 1

Try this way :

    -(void)secondFunc:(NSInteger*)i
    {
      *j=20;
     //From here u can change i value as well
     //now i and j value is same (i.e i=j=20)
    }
    -(void) firstFunc
    {
       NSInteger i=5;
      [self secondFunc :&i];
     //i value is 20
    }

Hope it helps!!