--- a/src/include/origin_cs.h	Fri Apr 10 17:57:38 2015 +0900
+++ b/src/include/origin_cs.h	Tue Apr 14 03:37:22 2015 +0900
@@ -1,18 +1,10 @@
 __code start_code();
-__code meta_start_code();
 __code exit_code();
 
-__code start_code(Context* context, __code (*next)()) {
-    goto meta_start_code(context, next);
+__code start_code(struct Context* context, enum Code next) {
+    goto meta(context, next);
 }
 
-__code meta_start_code(Context* context, __code (*next)()) {
-    context->next = next;
-    goto context->next(context);
-}
-
-__code exit_code(Context* context) {
-    free(context->ds_heap);
-    free(context->mds_heap);
+__code exit_code(struct Context* context) {
     goto exit(0);
 }