vgroup_id

IN:

Vgroup identifier returned by Vattach

	Purpose	Returns the tag of a vgroup.
	Return value	Returns the tag if successful, and FAIL (or -1) otherwise.
	Description	VQuerytag returns the tag of the vgroup identified by the parameter vgroup_id.

	FORTRAN	integer function vqtag(vgroup_id)
		integer vgroup_id