... Abstract Add data to a character column in a specified EK record. ... Brief_I/O Variable I/O Description -------- --- -------------------------------------------------- handle I EK file handle. segno I Index of segment containing record. recno I Record to which data is to be added. column I Column name. nvals I Number of values to add to column. vallen I Declared length of character values. cvals I Character values to add to column. isnull I Flag indicating whether column entry is null. ...