NDG_COUNTPROV - Return the number of ancestors in a provenance structure

Description:

This routine returns the number of ancestors described in the supplied provenance structure.

Invocation:

CALL NDG_COUNTPROV( IPROV, COUNT, STATUS )

Arguments:

IPROV = INTEGER (Given)

An identifier for a structure holding the provenance information read from an NDF, as returned by NDG_READPROV.

COUNT = INTEGER (Returned)

The number of ancestors in the supplied provenance structure.

STATUS = INTEGER (Given and Returned)

The global status.