Function windows_sys::Win32::Devices::DeviceAndDriverInstallation::SetupDiOpenClassRegKeyExA

pub unsafe extern "system" fn SetupDiOpenClassRegKeyExA(
    classguid: *const GUID, 
    samdesired: u32, 
    flags: u32, 
    machinename: PCSTR, 
    reserved: *mut c_void
) -> HKEY

Required features: "Win32_Devices_DeviceAndDriverInstallation", "Win32_System_Registry"