--- loncom/homework/caparesponse/capa.i	2024/04/24 21:11:49	1.7
+++ loncom/homework/caparesponse/capa.i	2024/04/29 02:49:43	1.8
@@ -1,11 +1,11 @@
 %module capa
 %{
-
+#include "caparesponse.h"
 %}
 
 %typemap(in) char** reterror (char* cvalue) {
   SV* tempsv;
-  int len;
+  int unsigned int len;
   if (!SvROK($input)) {
     croak("expected a reference\n");
   }