Function NtAdjustPrivilegesToken 

pub unsafe extern "system" fn NtAdjustPrivilegesToken(
    tokenhandle: HANDLE,
    disableallprivileges: bool,
    newstate: *const TOKEN_PRIVILEGES,
    bufferlength: u32,
    previousstate: *mut TOKEN_PRIVILEGES,
    returnlength: *mut u32,
) -> NTSTATUS