> But how does REXX invoke a program? 

Ret = MYFUNC(parm1, parm2)

> glue code puts the rexx parameters 

Yeah, I know how to do a front-end to the C++ but I would rather not add that 
complexity.

If no one comes up with a better answer I will just go with passing 0 for the 
Environment Block and see what happens.

Why couldn't Rexx have put the Environment Block pointer somewhere *standard*? 
They pass a bunch of pointers off of R1 -- why not one more?

Charles

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