diff --git a/cig/cig.scm b/cig/cig.scm
index 7ef900c..4465552 100644
--- a/cig/cig.scm
+++ b/cig/cig.scm
@@ -772,7 +772,7 @@
 
 (define cfile-header-boilerplate
   "/* This is an Scheme48/C interface file, 
-** automatically generated by cig.
+** automatically generated by a hacked version of cig 3.0.
 */
 
 #include <stdio.h>
@@ -863,9 +863,36 @@
 		    (lp (append c-names (define-foreign-process-form form oport))))))))))))
 ; Frank: end
 
+; JMG: stolen from various places 
+(define (file-name-nondirectory fname)
+  (cond ((rindex fname #\/) =>
+	 (lambda (rslash)
+	   (if (last-non-slash fname)
+	       (substring fname (+ 1 rslash) (string-length fname))
+	       fname)))	; Posix strangeness: solid slashes are root.
+	(else fname)))
 
-(define (cig-standalone-toplevel fname) ; ignore your args.
-  (process-define-foreign-file fname)
+(define (rindex str c ) ;removed optional argument
+  (let* ((len (string-length str))
+	 (start len))
+    (do ((i (- start 1) (- i 1)))
+	((or (< i 0)
+	     (char=? c (string-ref str i)))
+	 (and (>= i 0) i)))))
+
+(define (last-non-slash str)
+  (let lp ((i (- (string-length str) 1)))
+    (and (>= i 0)
+	 (if (char=? #\/ (string-ref str i))
+	     (lp (- i 1))
+	     i))))
+
+(define (cig-standalone-toplevel fname) ; ignore your args no longer.
+  (display "This is cig standalone\n")
+  (display "processing ")
+  (display fname)
+  (newline)
+  (process-define-foreign-file (car fname))
   0)
 
 ;;; This section defines the Scheme-side macro processor.
@@ -908,6 +935,9 @@
 	   (%lambda (rename 'lambda))
 	   ; JMG: begin replaced external-lambda by import-lambda-definition
 	   (%import-lambda-definition (rename 'import-lambda-definition))
+	   (%lookup-imported-binding (rename 'lookup-imported-binding))
+	   (%call-imported-binding (rename 'call-imported-binding))
+	   (%let* (rename 'let*))
 	   ; JMG: end
 	   (gensym (let ((gs (make-gensym "g" -1)))
 		     (lambda () (string->symbol (gs #f)))))
@@ -945,24 +975,38 @@
 	    ; get-external and external-call replaced: now external-lambda
 	    ;JMG now import-lambda-definition
 	    `(,%import-lambda-definition ,scheme-name ,args ,c-name))
-;;	  `(,%define ,scheme-name
-;;	     (,%let ((,%f (,%external-lambda ,args ,c-name)))
-;;	       (,%lambda ,args ,xcall))))
-
-	  (let ((retarg1 (rename 'r1))
+	   (let ((retarg1 (rename 'r1))
 		(retarg2 (rename 'r2))
 		(%make-vector (rename 'make-vector)))
 	    `(,%define ,scheme-name
-		       (,%import-lambda-definition ,%f ,args ,c-name)
-	 ;;      (,%let ((,%f (,%external-lambda ,args ,c-name)))
+	       (,%let ((,%f (,%lookup-imported-binding ,c-name)))
 	         (,%lambda ,args
 		   (,%let ((,retarg2 (,%make-vector ,carrier-veclen)))
 		     ,@(install-carriers retarg2 ret-infos2
 					 (rename 'vector-set!))
-		     (,%let ((,retarg1 (,%f ,@c-args ,retarg2)))
+		     (,%let ((,retarg1 (,%call-imported-binding ,%f ,@c-args ,retarg2)))
 		       (values ,@(make-values-args retarg1 retarg2
 						   ret-infos2
-						   rename)))))))))))
+						   rename))))))))))))
+;;	  `(,%define ,scheme-name
+;;	     (,%let ((,%f (,%external-lambda ,args ,c-name)))
+;;	       (,%lambda ,args ,xcall))))
+
+;	  (let ((retarg1 (rename 'r1))
+;		(retarg2 (rename 'r2))
+;		(%make-vector (rename 'make-vector)))
+;	    `(,%define 
+;	      ,scheme-name 
+;	      (,%let* ((temp (,%lookup-imported-binding ,c-name))
+;		       (,%f (,%lambda ,args (,%call-imported-binding temp ,args))))
+;		      (,%lambda ,args
+;				(,%let ((,retarg2 (,%make-vector ,carrier-veclen)))
+;				       ,@(install-carriers retarg2 ret-infos2
+;							   (rename 'vector-set!))
+;				       (,%let ((,retarg1 (,%f ,@c-args ,retarg2)))
+;					      (values ,@(make-values-args retarg1 retarg2
+;									  ret-infos2
+;									  rename))))))))))))
 ; Frank: end
 (define (install-carriers carrier-vec ret-infos2 %vector-set!)
   ;; Skip the major ret value if it doesn't require a carrier.
diff --git a/cig/libcig.h b/cig/libcig.h
index 7fa4f90..1558a30 100644
--- a/cig/libcig.h
+++ b/cig/libcig.h
@@ -12,7 +12,10 @@
 
 #define AlienVal(x) (S48_STOB_REF((x),0))
 
+//  JMG: some hacks to leave to old sources untouched
 #define ENTER_BOOLEAN(x) (x ? S48_TRUE : S48_FALSE)
+#define ENTER_FIXNUM(x) (s48_enter_fixnum(x))
+#define SCHFALSE S48_FALSE
 
 extern char *scheme2c_strcpy(s48_value sstr);