usbprn_setparms
usbprnp->usbprn_setparms.write_timeout;
err = usbprn_setparms(usbprnp, arg, flag);
if (ddi_copyout(&usbprnp->usbprn_setparms,
usbprnp->usbprn_setparms = xfer;
usbprnp->usbprn_setparms.write_timeout = prn_timeouts.tmo_forward;
timeout = usbprnp->usbprn_setparms.write_timeout;
usbprnp->usbprn_setparms.write_timeout = USBPRN_XFER_TIMEOUT;
usbprnp->usbprn_setparms.mode = ECPP_CENTRONICS;
static int usbprn_setparms(usbprn_state_t *, intptr_t arg, int);
struct ecpp_transfer_parms usbprn_setparms; /* Set xfer parameters */