Example
For the table TELBOOK, move the current row pointer (CRP) to the
row immediately before its first row.
ISPEXEC TBTOP TELBOOK Set
the program variable BUFFER to contain: TBTOP TELBOOK Set
program variable BUFLEN to the length of the variable BUFFER. Issue
the command:
CALL ISPEXEC (BUFLEN, BUFFER);or alternately
CALL ISPLINK ('TBTOP ','TELBOOK ');