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Patrik,

See:
     https://www.ibm.com/docs/en/ssw_ibm_i_74/rzarh/sc092712.pdf


Read pages 200-201.

All the best,

Mark S. Waterbury

On Sunday, October 20, 2024 at 09:41:51 AM EDT, Patrik Schindler <poc@xxxxxxxxxx> wrote:

Hello,

either I'm too blind or searching the wrong way.

What is the correct way to know a field being read with e. g. _Readn() is actually NULL, so I can subsequently ignore anything being in the respective field's read buffer?

Actual code can be seen here: https://github.com/PoC-dev/ibmdocs-tools/blob/main/as400/listdocs.c (lines 177 ff, and 188 ff).

Table definition: https://github.com/PoC-dev/ibmdocs-tools/blob/main/as400/ibmdoctypf.dds

Thank you!

:wq! PoC

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