Example
In the keyed table TELBOOK, from a row having a specific key value,
copy variable values into the respective function pool variables having
the same names.
ISPEXEC TBGET TELBOOK Set
the program variable BUFFER to contain: TBGET TELBOOK Set
program variable BUFLEN to the length of the variable BUFFER. Issue
the command: CALL ISPEXEC (BUFLEN, BUFFER);or alternately
CALL ISPLINK ('TBGET ','TELBOOK ');