pub unsafe extern "C" fn dvb_dev_find(
dvb: *mut dvb_device,
handler: dvb_dev_change_t,
user_priv: *mut c_void,
) -> c_intpub unsafe extern "C" fn dvb_dev_find(
dvb: *mut dvb_device,
handler: dvb_dev_change_t,
user_priv: *mut c_void,
) -> c_int