How to pass pointer to a reference as an argument to a function-Objective C

Question

In C++ we will pass the pointer to a function as

bool getData(REMOTE_ID msId,RsEvent*& pEvent);

How to declare this in Objective C?

<

Answer 1

You need to use pointers to simulate reference in C (and Objective-C):

-(BOOL)getData:(REMOTE_ID)msId withEvent:(RsEvent**)pEvent {
   // do stuff with msId and *pEvent
}

and pass in the argument as a pointer:

RsEvent* event;
BOOl res = [foo getData:msId withEvent:&event];
...