windows::Win32::Devices::DeviceAndDriverInstallation

Function SetupDiOpenClassRegKeyExA

pub unsafe fn SetupDiOpenClassRegKeyExA<P3>(
    classguid: Option<*const GUID>,
    samdesired: u32,
    flags: u32,
    machinename: P3,
    reserved: Option<*const c_void>,
) -> Result<HKEY>
where
    P3: Param<PCSTR>,