envctrl_bus_isr
if (ddi_add_intr(dip, 0, &unitp->ic_trap_cookie, NULL, envctrl_bus_isr,
static uint_t envctrl_bus_isr(caddr_t);
if (ddi_add_intr(dip, 0, &unitp->ic_trap_cookie, NULL, envctrl_bus_isr,
static uint_t envctrl_bus_isr(caddr_t);