SetupDiClassNameFromGuidExW

winapi_ui_automation::um::setupapi

Function SetupDiClassNameFromGuidExW 

Source 
pub unsafe extern "system" fn SetupDiClassNameFromGuidExW(
    ClassGuid: *const GUID,
    ClassName: PWSTR,
    ClassNameSize: DWORD,
    RequiredSize: PDWORD,
    MachineName: PCWSTR,
    Reserved: PVOID,
) -> BOOL