HP RPG/XL Programmer's Guide (30318-90001)

P- 4
Comments
1 This line makes indicator 20 available to an external
subroutine.
Columns 43-48 specifies that indicator 20 is passed to the
external subroutine. (Prefix indicator names by IN.)
2 This line makes the field, PNAME, available to an external
subroutine.
3 This line executes the external subroutine, SUB01.