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VFfieldorder/vffordr

int32 VFfieldorder(int32 vdata_id, int32 field_index)

vdata_id IN:

Vdata identifier returned by VSattach

field_index IN:

Vdata field index

Purpose

Returns the order of a vdata field.

Return value

Returns the order of the field if successful and FAIL (or -1) otherwise.

Description

VFfieldorder returns the order of the vdata field identified by its index, field_index, in the vdata identified by the parameter vdata_id.

The value of the parameter field_index ranges from 0 to the total number of fields in the vdata - 1. The number of vdata fields is returned by VFnfields function.

FORTRAN

integer function vffordr(vdata_id, field_index)

integer vdata_id, field_index



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HDF Reference Manual - 07/29/98, NCSA HDF Development Group.