--- a/stage4/generate_c/generate_c_st.cc	Tue Apr 05 14:17:16 2011 +0100
+++ b/stage4/generate_c/generate_c_st.cc	Tue Apr 05 14:24:07 2011 +0100
@@ -1064,7 +1064,7 @@
   return NULL;
 }
 void *visit(exit_statement_c *symbol) {
-  s4o.print("exit(0)");
+  s4o.print("break");
   return NULL;
 }