timer_schedule
extern void timer_schedule(uint_t delay);
timer_schedule(next);
timer_schedule(interval);
void timer_schedule(uint_t delay);
timer_schedule(next);
timer_schedule(delay);
timer_schedule(delay);
timer_schedule(pr->pr_ValidLifetime);
timer_schedule(pr->pr_PreferredLifetime);
timer_schedule(dr->dr_lifetime);
timer_schedule(dr->dr_lifetime);
timer_schedule(pr->pr_OnLinkLifetime);
timer_schedule(pi->pi_TmpRegenCountdown);