CALL ISPLINK('LMMDEL ',DDVAR,'MYPROG ');
OR
Set the program variable BUFFER to contain:
BUFFER = 'LMMDEL DATAID(&DDVAR) MEMBER(MYPROG)';
Set the program variable BUFLEN to the length of the variable BUFFER.
Issue the following command:
CALL ISPEXEC (BUFLEN, BUFFER);