Function OnlineClusterGroupEx2 

pub unsafe fn OnlineClusterGroupEx2<P5>(
    hgroup: HGROUP,
    hdestinationnode: Option<HNODE>,
    dwonlineflags: u32,
    lpinbuffer: Option<&[u8]>,
    lpszreason: P5,
) -> u32
where
    P5: Param<PCWSTR>,