parmsset
error = parmsset(&pcparms, curthread);
error = dotolwp(&procset, parmsset,
err = parmsset(stprmp->stp_parmsp, t);
err = parmsset(&ks.ksched_parms, curthread);
(void) parmsset(&pcparms, t);
extern int parmsset(pcparms_t *, kthread_t *);