Re: Calling call_back addresses

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  • Posted by jimcbrown (admin) Dec 23, 2008
  • 1340 views

Why is this in the Code Golf thread?

SDPringle said...

I would like to call a call back address from EUPHORIA to simulate a call from C.

So, suppose I have a function like: 

function five()  
  return 5 
end function 
 
atom five_cb = call_back("five")

How do I call five using five_cb?

Shawn 

include std/machine.e 
include std/dll.e 
 
function five() 
return 5 
end function 
 
atom five_cb = call_back(routine_id("five")) 
 
integer cb = define_c_func("", {'+', five_cb}, {}, C_INT) 
 
? c_func(cb, {})
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