Function windows::Win32::Devices::DeviceAndDriverInstallation::SetupDiGetClassDevsA
pub unsafe fn SetupDiGetClassDevsA<P0, P1>(
classguid: Option<*const GUID>,
enumerator: P0,
hwndparent: P1,
flags: SETUP_DI_GET_CLASS_DEVS_FLAGS
) -> Result<HDEVINFO>