__notimeout
int __notimeout(void);
if (delay && (__notimeout() == ERR))
if ((to || delay) && (__notimeout() == ERR))
if ((to || delay) && (__notimeout() == ERR))
if (delay && (__notimeout() == ERR))
if ((to || delay) && (__notimeout() == ERR))
(__notimeout() == ERR))