pub unsafe extern "system" fn FsRtlLookupLargeMcbEntry(
    mcb: *const LARGE_MCB,
    vbn: i64,
    lbn: *mut i64,
    sectorcountfromlbn: *mut i64,
    startinglbn: *mut i64,
    sectorcountfromstartinglbn: *mut i64,
    index: *mut u32,
) -> BOOLEAN