INT 7C - SK-UPPS Data Link Interface API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running.  Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. - DOWN DRIVER
	AX = 0001h
Return: AX = completion code (see #03846)
Note:	the DLI will refuse to unload if there are any protocols
	  (see AX=0007h) or clients (see AX=0010h) active.
Index:	uninstall;SK-UPPS Data Link Interface


(Table 03846)
Values for SK-UPPS completion code:
 0000h	SUCCESS
 0005h	INVALID_MULTICAST
 0006h	BUFFER_TOO_SMALL
 0007h	NO_BUFFERS_LEFT
 0008h	NO_RESOURCES_LEFT
 000Bh	ILLEGAL_PROTOCOL_ID
 000Ch	PROTOCOL_IN_USE
 000Dh	NO_MULTICAST_ADDRESS
 000Fh	PROTOCOLS_ACTIVE
 0010h	CLIENTS_ACTIVE
 001Bh	INVALID_MODE
 001Ch	MODE_NOT_SUPPORTED
 FFFFh	UNKNOWN_SERVICE