int32 VFnfields(int32 vdata_id)
vdata_id
IN:
Vdata identifier returned by VSattach
Purpose
Returns the total number of fields in a vdata.
Return value
Returns the total number of fields if successful and FAIL (or -1) otherwise.
Description
VFnfields returns the total number of fields in the vdata identified by the parameter vdata_id.
FORTRAN
integer function vfnflds(vdata_id)
integer vdata_id