SetupDiClassNameFromGuidExA

winapi_ui_automation::um::setupapi

Function SetupDiClassNameFromGuidExA 

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