FUNCTIONS PROVIDED BY THE FORTRAN INTERFACE TO FCS

	INIT	INITALIZE A FILE DESCRIPTOR BLOCK (FDB)

	OPEN	OPEN A FILE BY NAME

	OFNB	OPEN A FILE BY FILE NAME BLOCK

	OPNTD	OPEN A TEMPORARY FILE

	OFID	OPEN A FILE BY ID NUMBER

	PARSE	PARSE A FILE NAME STRING

	FIND	LOCATE A FILE IN A DIRECTORY

	DABIO	DIRECT ACCESS BLOCK I/O

	DARIO	DIRECT ACCESS RECORD I/O

	RECIO	SEQUENTIAL ACCESS RECORD I/O

	FQIO	READ/WRITE THE FILE HEADER ATTRIBUTES

	RENAM	RENAME A FILE

	DELETE	DELETE A FILE

	CLOS	CLOSE A FILE

	SPEC	DEVICE SPECIFIC FUNCTIONS FOR MAGNETIC TAPE 

	SEQIO	SEQUENTIAL I/O TO NON FILE STRUCTURED DEVICES