hid_polled_input_enter
static int hid_polled_input_enter(hid_polled_handle_t);
hid_polled_input.hid_polled_input_enter =
hid_polled_input_enter;
(void) (usbkbmd->usbkbm_hid_callback.hid_polled_input_enter)
int (*hid_polled_input_enter)(hid_polled_handle_t);