Int 67 Fn 02 - Pc-net, Alloy Ntnx - Unlock Semaphore [N]

AH = 02h
DS:DX -> ASCIZ semaphore name (max 64 bytes)

Return: AL = status (see #3193)
AH = semaphore owner if status=02h

See Also: AH=00h,AH=01h"PC-NET",INT 7F/AH=02h