How to access the extern declared global variables in a imported C function?

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Jose Peral
Jose Peral 2020-2-11
编辑： Jose Peral 2020-2-12
Hi,
I imported C code into Embedded Coder using C caller block.
My C file has extern declarations for variables.
I do not know how I can access this extern variables to pass them values from Simulink application.
I am thinking to create an interface C function that receive lot of arguments and define and assign the values to the externs. But there is a lot of signals (global variables).
Is it any other simpler way of doing this without having to write explicitly new interface C functions?
Regards.

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