Function OfflineClusterGroupEx2 

pub unsafe fn OfflineClusterGroupEx2<P4>(
    hgroup: HGROUP,
    dwofflineflags: u32,
    lpinbuffer: Option<*const u8>,
    cbinbuffersize: u32,
    lpszreason: P4,
) -> u32
where
    P4: Param<PCWSTR>,