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On 26 Jan 2021, at 12:32, Yuriy Babah <[hidden email]> wrote:

FFIStructure questions:
following page 40 of the 2020-02-12-uFFI-V1.0.1.pdf booklet:

FFIStructure subclass: #RsnStructure
instanceVariableNames: ''
classVariableNames: ''
package: 'LiraRSN'
   
RsnStructure class >> fieldsDesc [
^ #(
int ke;
int node;
float rz;
float x;
float y;
) ]
   
RsnStructure rebuildFieldAccessors  >> resulted:

"Instance of RsnStucture class did not undestand #readStream",
in FFIExternalStructureFieldParser  class >> parseField:structure:

<LiraRSN.st>

On 27 Jan 2021, at 07:40, Yuriy Babah <[hidden email]> wrote:

Hello everybody!
From the very beginning I stepped - misnamed the topic, I thought to join
the mail subscription (by running the join command), but I was already
subscribed.
I don't know how to rename this forum post, if it can be renamed then its
name should be "FFIStructure questions".
I am trying to run my C library on Pharo.
Once upon a time I ran a test C function on Pharo, and with the help of the
forum, it worked. But even FFI has changed since then, and I'm trying to
master it from small to large. An attempt to determine the C structure
failed and an error was received.
Posts above, this was my attempt to briefly describe this error, or to get
the direction of my further movement, if I was mistaken.



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On 28 Jan 2021, at 11:02, Yuriy Babah <[hidden email]> wrote:

Sorry for not creating a separate letter, but my problem was solved, it was
that the code section in the booklet was in square brackets:
<http://forum.world.st/file/t370707/ffiStructure.jpg>
why are they there?



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