... Abstract Add an entire character column to an EK segment. ... Brief_I/O Variable I/O Description -------- --- -------------------------------------------------- handle I EK file handle. segno I Number of segment to add column to. column I Column name. vallen I Length of character values. cvals I Character values to add to column. entszs I Array of sizes of column entries. nlflgs I Array of null flags for column entries. rcptrs I Record pointers for segment. wkindx I-O Work space for column index. ...