Function PdhEnumObjectsHA 

pub unsafe extern "system" fn PdhEnumObjectsHA(
    hdatasource: PDH_HLOG,
    szmachinename: PCSTR,
    mszobjectlist: PSTR,
    pcchbuffersize: *mut u32,
    dwdetaillevel: PERF_DETAIL,
    brefresh: BOOL,
) -> u32