>	DECLARE INTEGER LockFile IN kernel32;
>		INTEGER hFile, INTEGER dwFileOffsetLow,;
>		INTEGER dwFileOffsetHigh,;
>		INTEGER nNumberOfBytesToLockLow,;
>		INTEGER nNumberOfBytesToLockHigh
>
>	DECLARE INTEGER UnlockFile IN kernel32;
>		INTEGER hFile, INTEGER dwFileOffsetLow,;
>		INTEGER dwFileOffsetHigh,;
>		INTEGER nNumberOfBytesToUnlockLow,;
>		INTEGER nNumberOfBytesToUnlockHigh
>