usbprn_ioctl_get_status
static int usbprn_ioctl_get_status(usbprn_state_t *);
if ((err = usbprn_ioctl_get_status(usbprnp)) != 0) {
err = usbprn_ioctl_get_status(usbprnp);
if ((err = usbprn_ioctl_get_status(usbprnp)) != 0) {