vdata_id

IN:

Vdata identifier returned by VSattach

	Purpose	Returns the total number of attributes of a vdata and of its fields.
	Return value	Returns the total number of attributes if successful and FAIL (or -1) otherwise.
	Description	VSnattrs returns the total number of attributes of the vdata, vdata_id, and of its fields.
		VSnattrs is different from the VSfnattrs routine, which returns the number of attributes of a specified vdata or of a field contained in a specified vdata.

	FORTRAN	integer function vsfnats(vdata_id)
		integer vdata_id