Using KSAM/XL and KSAM 64 (32650-90886)

Chapter 9 131
KSAM Intrinsics
FOPEN
Figure 9-6. FOPEN KSAM Parameter Format
A file can be referenced by its formal file designator. When executed, a unique file number
is returned to the process. This file number, rather than the formal file designator, is used
in subsequent calls to this file.