hid_vid_pid_t
hid_vid_pid_t hid_vid_pid;
(uchar_t *)&hid_vid_pid, sizeof (hid_vid_pid_t));
sizeof (hid_vid_pid_t);
(iocp->ioc_count == sizeof (hid_vid_pid_t)) &&
(iocp->ioc_count == sizeof (hid_vid_pid_t)) &&
hid_vid_pid_t usbwcm_devid;
hid_vid_pid_t usbkbm_vid_pid;