--- LCSS_XS.xs.orig     2010-01-28 14:00:25.000000000 -0500
+++ LCSS_XS.xs.new      2010-01-28 14:03:45.000000000 -0500
@@ -10,8 +10,8 @@

 void
 _compute_all_lcss(s, t)
-       char *  s
-       char *  t
+       SV *    s
+       SV *    t
 PROTOTYPE: $$
 ALIAS:
     lcss = 1
@@ -21,7 +21,7 @@
     int i;
     AV * ra;
 PPCODE:
-    res = _lcss(s,t);
+    res = _lcss( SvPVbyte_nolen(s), SvPVbyte_nolen(t) );
     if (res.n <= 0) {
         _free_res(res);
         XSRETURN_UNDEF;