Re: How does one use pass by reference functions using the ffi?

Say I have a function somewhere in c land with the following declaration:

void doStuff( int &a, int &b);

What would the appropriate Haskell wrapper for this function look like? I'm looking to construct a haskell function of the type:

The following (untested) Greencard code ought to do the trick. %fun doStuff :: Int -> Int -> IO (Int,Int) %code doStuff(&arg1,&arg2) %return ({*arg1},{*arg2}) -- Alastair Reid