Inquire Input Logical Unit No

This Subprogram allows the current Input Logical Unit No. to be determined.

Short Name Calling Sequence

STATUS = UIIQIL(LUN)

Long Name Calling Sequence

STATUS = UI_INQUIRE_INPUT_LUN(...)

Input Arguments

None

Output Arguments

LUN (Integer) Input Logical Unit No.

Function Value

UI__SUCCESS ) Success UISUCC )

UI__NOT_INITIALIZED ) Package not Initialized UININI )

Note:

1. The LUN Argument will always correspond to the direct Input Logical Unit, irregardless of the Indirect Command Stack Depth at the time the call is made.
2. The LUN Argument will be set to 0 if UIPACK has not been initialised.