an_id

IN:

AN interface identifier returned by ANstart

	Purpose	Terminates access to an AN interface.
	Return value	Returns SUCCEED (or 0) if successful and FAIL (or -1) otherwise.
	Description	ANend terminates access to the AN interface identified by an_id, which is previously initialized by a call to ANstart. Note that there must be one call to ANend for each call to ANstart.

	FORTRAN	integer function afend(an_id)
		integer an_id