public static extern uint VLSmachineIDToLockCodeEx(ref VLSmachineID machineID, uint lock_selector, StringBuilder lockCode, int lockCodeLen, int unusesd);
public static extern uint VLSmachineIDtoLockCode(ref VLSmachineID machineID, uint lock_selector, ref uint lockCode);
public static extern uint VLSgetNumberedMachineIDExt(string server_name, uint lock_selector_in, ref VLSmachineID machineID, ref uint lock_selector_out, int flag, int index, int reserved);
public static extern uint VLSinitMachineID(ref VLSmachineID machineID);
public static extern uint VLSgetMachineIDOld(uint lock_selector_in, ref VLSmachineID machineID, ref uint lock_selector_out);