
typedef SV* Perl_Scalar;
AV*                 _mzscheme_objects_AV (void **objects, char *type);
Scheme_Object*      _mzscheme_closed_prim_CV (void *d, int argc, Scheme_Object **argv);
Scheme_Object *     _mzscheme_closed_prim_OBJ (void *callback, int argc, Scheme_Object **argv);
