INT 14 - COMMUNICATIONS FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use.
	AH = 80h
SeeAlso: AH=7Eh
                                                                                

INT 14 - COURIERS.COM - INSTALLATION CHECK                                      
	AH = 80h
Return: AH = E8h if loaded
Program: COURIERS is a TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. utility by PCIBM PC Magazine