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Vgetnext/vfgnxt
int32 Vgetnext(int32
vgroup_id
, int32
elem_ref
)
vgroup_id
IN:
Vgroup identifier
elem_ref
IN:
Reference number of the vgroup or vdata
Purpose
Searches in the vgroup specified by
vgroup_id
for thevgroup or vdata following the vgroup or vdata referred to by
elem_ref
.
Return value
Returns the reference number of the target vgroup or vdata if successful and FAIL (or -1) otherwise.
Description
If
elem_ref
is set to -1 the reference number of the first element in the vgroup is returned.
Vgetnext
will only examine vset elements. To examine all element links in a vgroup, use
Vgettagrefs
.
FORTRAN
integer function vfgnxt(vgroup_id, elem_ref)
integer vgroup_id, elem_ref
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hdfhelp@ncsa.uiuc.edu
HDF User's Reference Manual, Draft 06/09/97, NCSA HDF Development Group.