INT 7F - Alloy NTNX - LOCK FILE FOR USER AH = 41h AL = user ID DS:DX -> ASCIZ filename Return: AL = status 00h successful 01h invalid function 02h already locked 03h unable to lock 04h lock table full Note: requests exclusive read/write access to file SeeAlso: ,AH=41h"MW386",AH=42h"NTNX"