hid_polled_read
static int hid_polled_read(hid_polled_handle_t, uchar_t **);
hid_polled_input.hid_polled_read = hid_polled_read;
size = (usbkbmd->usbkbm_hid_callback.hid_polled_read)
int (*hid_polled_read)(hid_polled_handle_t,