--- gforth/engine/forth.h	2005/12/04 13:46:12	1.68
+++ gforth/engine/forth.h	2005/12/11 20:08:09	1.69
@@ -386,6 +386,13 @@ extern Address LP;
 extern void engine_callback(Xt* fcall, void * alist);
 #endif
 
+#ifdef HAS_LIBFFI
+extern Cell *RP;
+extern Address LP;
+#include <ffi.h>
+extern void ffi_callback(ffi_cif * cif, void * resp, void ** args, Xt * ip);
+#endif
+
 #ifdef GFORTH_DEBUGGING
 extern Xt *saved_ip;
 extern Cell *rp;