pcib_isa_intr_alloc
int pcib_isa_intr_alloc(void *, int, int, int *);
sc->sc_ic.ic_intr_alloc = pcib_isa_intr_alloc;
static int pcib_isa_intr_alloc(void *, int, int, int *);
sc->sc_ic.ic_intr_alloc = pcib_isa_intr_alloc;