Need some help to use TFUNCTION

Hello,

I'm working on a C programs using Lua as embedded language.

At Lua side, I'm defining a table on witch a filed need to be a function as :

_, err = Broker:subscribe {

{ topic = "/tata", function = myfunc },

{ topic = "tutu", function = func2 }

}

And I know at C side I have to look up for TFUNCTION for "function" field.

My reading function is creating a structure containing

- a string, the topic,

- and a "reference" or something to keep track of the function

now my question :

1/ How can I store TFUNCTION at C side ?

2/ How my C code can "call" this Lua function ?

If it's not so clear, please have a look on my code here : https://github.com/destroyedlolo/Selene/blob/master/src/MQTT.c

especially on line 79.

Thanks

Laurent

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