I don't understand your question. When you make your OWN libraries, your SUBjective/FUNCTion modules have to be made with "private local" pass-through variables to process and to return an output.
The CALL ABSOLUTE is from QB. Type ABS move your cursor back and press F1 on the keyboard for details.
"If a tree falls in the forest and no one is around, does it make a sound?" I finally got the REAL ANSWER.