INT 7F - Alloy NTNX - LOCK FILE FOR USER                                        
	AH = 41h
	AL = user ID
	DS:DX -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. filename
Return: AL = status (see #03966)
Note:	requests exclusive read/write access to file
SeeAlso: AH=00h,AH=41h"MW386",AH=42h"NTNX"


(Table 03966)
Values for Alloy function status:
 00h	successful
 01h	invalid function
 02h	already locked
 03h	unable to lock
 04h	lock table full or semaphore space exhausted
                                                                                

INT 7F - Alloy MW386 - LOCK SEMAPHORE FOR USER                                  
	AH = 41h
	AL = user ID
	DS:DX -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. semaphore name
Return: AL = status (see #03966)
SeeAlso: AH=00h,AH=42h"MW386"