--- a/stage4/generate_c/generate_c.cc	Mon Feb 24 22:00:55 2014 +0000
+++ b/stage4/generate_c/generate_c.cc	Sun Mar 02 16:42:56 2014 +0000
@@ -132,6 +132,12 @@
 #define GET_EXTERNAL "__GET_EXTERNAL"
 #define GET_EXTERNAL_FB "__GET_EXTERNAL_FB"
 #define GET_LOCATED "__GET_LOCATED"
+
+#define GET_VAR_REF "__GET_VAR_REF"
+#define GET_EXTERNAL_REF "__GET_EXTERNAL_REF"
+#define GET_EXTERNAL_FB_REF "__GET_EXTERNAL_FB_REF"
+#define GET_LOCATED_REF "__GET_LOCATED_REF"
+
 #define GET_VAR_BY_REF "__GET_VAR_BY_REF"
 #define GET_EXTERNAL_BY_REF "__GET_EXTERNAL_BY_REF"
 #define GET_EXTERNAL_FB_BY_REF "__GET_EXTERNAL_FB_BY_REF"