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VSattrinfo/vsfainf
intn VSattrinfo(int32
vdata_id
, int32
field_index,
int32
attr_index,
char *
attr_name,
int32 *
data_type,
int32 *
count,
int32 *
size
)
vdata_id
IN:
Vdata identifier returned from
VSattach
field_index
IN:
Index of the target field
attr_index
IN:
Index of the target attribute
attr_name
OUT:
Name of the target attribute
data_type
OUT:
Data type of the target attribute
count
OUT:
Attribute count
size
OUT:
Size of the target attribute
Purpose
Returns the name, data type, number of values, and the size of the values of the specified attribute of the specified vdata field or vdata.
Return value
Returns SUCCEED (or 0) if successful and FAIL (or -1) otherwise.
Description
The values of the
attr_name
,
data_type
,
count
and
size
parameters can be set to NULL, if the information returned by these parameters are not needed.
The
field_index
in
VSattrinfo
is the same as with the
field_index
parameter in
VSsetattr
. It can be set to either a integer field index, or _HDF_ENTIRE_VDATA to specify the vdata referred to by
vdata_id
.
FORTRAN
integer function vsfainf(vdata_id, field_index, attr_index, attr_name, data_type, count, size)
integer vdata_id, field_index, attr_index
character* (*) attr_name
integer data_type, count, size
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hdfhelp@ncsa.uiuc.edu
HDF User's Reference Manual, Draft 06/09/97, NCSA HDF Development Group.