nsInputStreamReadyEvent *ev = (nsInputStreamReadyEvent *) plevent; NS_RELEASE(ev);
nsOutputStreamReadyEvent *event = (nsOutputStreamReadyEvent *) ev; NS_RELEASE(event);
    PR_STATIC_CALLBACK(void) EventCleanup(PLEvent *plevent)    {        nsInputStreamReadyEvent *ev = (nsInputStreamReadyEvent *) plevent;        NS_RELEASE(ev);    }