McKown, John wrote:
>I don't think that CEEENV uses UNIX system services. But, then, I don't
>think that BPXWDYN calls UNIX functions either. I think it is prefixed
>with BPX... simply so that people feel comfortable using it in a UNIX
>shell script or program.
>
>In either case, eventually they end up calling SVC 99 to do the real
>allocation. Well, actually CEEENV doesn't call SVC 99, some part of
>COBOL does.
It is obvious, you didn't see my reply using BPXWDYN or read up on
BPXWDYN...
You're also discussing about release depedency. BPXWDYN is available since
z/OS v1.4.
CEEENV is another set of services in Language Environment.
>From 'Using REXX and z/OS UNIX System Services ':
BPXWDYN is a text interface to a subset of the SVC 99 (dynamic allocation)
and SVC 109 (dynamic output) services. BPXWDYN supports data set
allocation, unallocation, concatenation, the retrieval of certain allocation
information, and the addition and deletion of output descriptors. BPXWDYN is
designed to be called from REXX, but it may be called from several other
programming languages, including Assembler, C, and PL/I.
This interface makes dynamic allocation and dynamic output services easily
accessible to programs running outside of a TSO environment; however, it also
functions in a TSO environment.
Groete / Greetings
Elardus Engelbrecht
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