diff --git a/collects/parser-tools/lex.ss b/collects/parser-tools/lex.ss
index 7e08685..34158c2 100644
--- a/collects/parser-tools/lex.ss
+++ b/collects/parser-tools/lex.ss
@@ -94,8 +94,14 @@
         "Form should be (define-lex-abbrevs (name re) ...)"
         stx))))
 
+  (require (lib "cffi.ss" "compiler"))
+  (define get-next-state ;;(lambda (input-char state eof-table trans-table)
+    (c-lambda (scheme-object int scheme-object scheme-object) int
+	      "if (SCHEME_EOFP(___arg1))
+	         return (SCHEME_VEC_ELS(___arg3))[___arg2];
+	       else
+	         return (SCHEME_VEC_ELS(___arg4))[SCHEME_CHAR_VAL(___arg1) | ___arg2 << 8]; "))
 
-  
   (define (lexer-body start-state trans-table eof-table actions no-lookahead wrap?)
     (lambda (lb)
       (unless (lex-buffer? lb)
@@ -121,13 +127,13 @@
                          (longest-match-length 1))
           (let ((next-state
                  (cond
-                   ((eof-object? char)
-                    (vector-ref eof-table state))
-                   (else
-                    (vector-ref 
-                     trans-table
-                     (bitwise-ior (char->integer char)
-                                  (arithmetic-shift state 8)))))))
+		  ((eof-object? char)
+		   (vector-ref eof-table state))
+		  (else
+		   (vector-ref 
+		    trans-table
+		    (bitwise-ior (char->integer char)
+				 (arithmetic-shift state 8)))))))
             (cond
               ((not next-state)
                (do-match lb first-pos longest-match-length longest-match-action wrap?))