pub unsafe extern "system" fn MsiUseFeatureExA(
szproduct: PCSTR,
szfeature: PCSTR,
dwinstallmode: u32,
dwreserved: u32,
) -> INSTALLSTATE
pub unsafe extern "system" fn MsiUseFeatureExA(
szproduct: PCSTR,
szfeature: PCSTR,
dwinstallmode: u32,
dwreserved: u32,
) -> INSTALLSTATE