The following is an example of how to code a call to DSNTIAR:
01 ERR-MSG.
05 ERR-MSG-LTH PIC S9(04) COMP VALUE +280.
05 ERR-MSG-TBL PIC X(70) OCCURS 4 TIMES.
01 ERR-LINE-LTH PIC S9(09) COMP VALUE +70.
...
CALL 'DSNTIAR' USING SQLCA, ERR-MSG, ERR-LINE-LTH