l->Init(receiver);
NS_NewAsyncStreamListener(nsIStreamListener* *result,                          nsIEventQueue* eventQueue,                          nsIStreamListener* receiver){    nsAsyncStreamListener* l =        new nsAsyncStreamListener(eventQueue);    if (l == nsnull)        return NS_ERROR_OUT_OF_MEMORY;    l->Init(receiver);    NS_ADDREF(l);    *result = l;    return NS_OK;}