Re: Testing address validity

[paul schuster]

Which z/os library are these IARBRVER, IARBRVEA, and IARBRVKA macros shipped 
in?  I don't see them in MACLIB or MODGEN.  But they are documented in the z/os 
2.5 MVS Programming: Authorized
Assembler Services Reference, Volume 2
(EDT-IXG)

Thank you.