if (!_pr_initialized) _PR_ImplicitInitialization();
PR_IMPLEMENT(PRMonitor*) PR_CEnterMonitor(void *address){    PRMonitor *mon;    _PR_LOCK_MCACHE();    mon = CreateMonitor(address);    _PR_UNLOCK_MCACHE();    if (!mon) return NULL;    PR_EnterMonitor(mon);    return mon;}