Oops, hit send too soon.

There might be some non-brute-force method. But in case not, this might 
get you started

>From CVT(location x'10') offset x'64' is the address of UCMBAS.
>From UCMBAS, offset x'F0' is the address of UCMFX
>From UCMFX, offset x'54' is the address of MPFT (which is in a data areas 
book)

MPFT offset x'1C' (MPFTMENP) is the address of the first entry in the exit 
table. MPFTNENM has the number of entries.
MPFMENTY maps the entry (name, starting address, length, entry point 
address). The entries within a table appear to be contiguous.

Peter Relson
z/OS Core Technology Design

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