I have been looking but I have not yet found the explicit doc that shows how
to call ICSF routines via the CSFCCVT. 

Looking at a few of the stub routines I see that they create a linkage stack
entry and then call the real routine via CSFCCVT but the labels in the CSFCCVT
are not obviously related to the name of the stub routine.

I am expecting to find something like for the name/token routines, where the
stub can be used but the direct entry is also documented.

Further research shows that the several routine that I am interested all
branch to the same EP, but the stub loads a different value into R0. Don't ask
me why there aren't a list of equated  values for the various functions and a
parameter with the function code. At any rate, high level language routines
cannot set R0 but assembler routines certainly can.

--
Binyamin Dissen <[email protected]>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel

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