if (!_pr_initialized) _PR_ImplicitInitialization();
int vmajor = 0, vminor = 0, vpatch = 0; const char *ptr = importedVersion;
PR_IMPLEMENT(PRStatus) PR_CallOnce(    PRCallOnceType *once,    PRCallOnceFN    func){    if (!_pr_initialized) _PR_ImplicitInitialization();    if (!once->initialized) {	if (PR_AtomicSet(&once->inProgress, 1) == 0) {	    once->status = (*func)();	    PR_Lock(mod_init.ml);	    once->initialized = 1;	    PR_NotifyAllCondVar(mod_init.cv);	    PR_Unlock(mod_init.ml);	} else {	    PR_Lock(mod_init.ml);	    while (!once->initialized) {		PR_WaitCondVar(mod_init.cv, PR_INTERVAL_NO_TIMEOUT);            }	    PR_Unlock(mod_init.ml);	}    }    return once->status;}