pub unsafe extern "C" fn lv_event_dsc_get_cb(
dsc: *mut lv_event_dsc_t,
) -> Option<unsafe extern "C" fn(_: *mut lv_event_t)>
pub unsafe extern "C" fn lv_event_dsc_get_cb(
dsc: *mut lv_event_dsc_t,
) -> Option<unsafe extern "C" fn(_: *mut lv_event_t)>