sched_is
int sched_is(int line, struct sched_param *, int);
int orig_scheduler = sched_is(__LINE__, &orig_param, -1);
(void)sched_is(__LINE__, 0, SCHED_FIFO);
(void)sched_is(__LINE__, 0, SCHED_RR);
(void)sched_is(__LINE__, 0, orig_scheduler);
(void)sched_is(__LINE__, 0, sched);
(void)sched_is(__LINE__, &got, SCHED_FIFO);
(void)sched_is(__LINE__, &got, SCHED_FIFO);