INT 6F - 10NET - UNLOCK SEMAPHORE                                               
	AH = 0Ch
	AL = drive number or 0
	ES:SI = Ethernet address or 0
	DS:BX -> 31-byte 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 also #03767)
	    01h semaphore not locked
Note:	same as INT 60/AH=13h
SeeAlso: AH=0Bh,INT 60/AH=13h