pintr
(void) signal(SIGINT, pintr);
void pintr(int);
(void) signal(SIGINT, pintr);
void (*pintr)(void *); /* dma completion intr handler */
if (sc->pintr)
(*sc->pintr)(sc->parg);
sc->pintr = 0;
sc->pintr = intr;
sc->pintr = 0;