Hello, Amirouche, You need to add an include example.h to your extern clause. See below. Best Regards, Joseph Donaldson On Mon, Feb 12, 2018 at 2:31 PM, Amirouche Boubekki<amirou...@hypermove.net> wrote: I created a small example to learn how to do it.(module foo (extern (include "example.h") ;; beginning of example.h (create_abc::ABC* () "create_abc") (sum::int (int int) "sum") (type s-ABC_ (struct (value::int "value") (sum::*int,int,string->int "sum")) "struct ABC_") (type int,int,string->int "int ($(int,int,char *))") (type *int,int,string->int (function int (int int string)) "int ((*$)(int,int,char *))") (type ABC s-ABC_ "ABC") (type ->ABC* "ABC *($())") (type int,int->int "int ($(int,int))") ;; end of example.h ) (main main))
(define (main x) (let ((out (create_abc))) (print "total:") (print out)))
