Example of an Objective-C method with a variable list of arguments (va_list)

Header.h

- (void)methodName:(NSObject*)firstObject, ... NS_REQUIRES_NIL_TERMINATION;

Implementation.m

- (void)methodName:(NSObject*)firstObject, ...
{
   va_list args;
   va_start( args, firstObject );

   for( NSObject* arg = firstObject; arg != nil; arg = va_arg( args, NSObject*) )
   {
      // do something using 'arg' here
   }

   va_end( args );
}