pub unsafe extern "C" fn _mul128(
Multiplier: c_longlong,
Multiplicand: c_longlong,
HighProduct: *mut c_longlong,
) -> c_longlongpub unsafe extern "C" fn _mul128(
Multiplier: c_longlong,
Multiplicand: c_longlong,
HighProduct: *mut c_longlong,
) -> c_longlong