Description
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SDattrinfo retrieves the name, data type, and number of values of the attribute specified by its index, attr_index, and stores them in the parameters attr_name, data_type, and count, respectively. This routine should be used before reading the values of an attribute with SDreadattr.
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The parameter obj_id can be either an SD interface identifier (sd_id), returned by SDstart, a data set identifier (sds_id), returned by SDselect, or a dimension identifier (dim_id), returned by SDgetdimid.
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