pub unsafe extern "system" fn SetupDiGetClassDevsExA(
    classguid: *const GUID,
    enumerator: PCSTR,
    hwndparent: HWND,
    flags: u32,
    deviceinfoset: HDEVINFO,
    machinename: PCSTR,
    reserved: *mut c_void
) -> HDEVINFO
Expand description

Required features: "Win32_Devices_DeviceAndDriverInstallation", "Win32_Foundation"