Function PdhLookupPerfNameByIndexW 

pub unsafe fn PdhLookupPerfNameByIndexW<P0>(
    szmachinename: P0,
    dwnameindex: u32,
    sznamebuffer: Option<PWSTR>,
    pcchnamebuffersize: *mut u32,
) -> u32
where
    P0: Param<PCWSTR>,