The routine returns a count of the number of history records present in an NDF.

CALL NDF_HNREC( INDF, NREC, STATUS )

INDF = INTEGER (Given)

NREC = INTEGER (Returned)

STATUS = INTEGER (Given and Returned)

• The number of records returned may be zero if a history component exists but no history information has yet been entered.

• An error will result if there is no history component present in the NDF.