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Vntagrefs/vntrc

int32 Vntagrefs(int32 vgroup_id)
vgroup_id

IN:

The vgroup identifier returned by Vattach

Purpose

Returns a count of the number of tag and reference number pairs stored in the given vgroup.

Return value

Returns the number of HDF elements linked to the vgroup and or FAIL (or -1) otherwise.

Description

This routine is used together with Vgettagrefs, or in a loop with Vgettagref to look at the HDF objects linked to a given vgroup.

FORTRAN

integer function vntrc(vgroup_id)

integer vgroup_id



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HDF User's Reference Manual, Draft 06/09/97, NCSA HDF Development Group.