Category: network

INT 61 - Banyan VINES - CHECK SERVICE

	AH = 01h
	AL = service ID (see #03451)
Return: AX = status
	    0000h installed
	    0001h not installed
	    0002h invalid ID
	    0003h invalid function
Note:	Only the offset part of the service pointer is checked for a nonzero
	  value
SeeAlso: AH=00h,AH=02h"VINES",AH=03h"VINES"