--- mgp.h.orig	Sat Nov  5 10:09:50 2005
+++ mgp.h	Sat Nov  5 10:15:33 2005
@@ -276,6 +276,7 @@ struct ctrl {
 	u_char ct_flag;
 	u_int ct_page;
 	struct ctrl *ct_next;
+	int ct_type;
 	union {
 		struct ctrl_double ctrl_double;
 		struct ctrl_int ctrl_int;
@@ -291,6 +292,12 @@ struct ctrl {
 		struct ctrl_pcache ctrl_pcache;
 	} ct_val;
 };
+
+#define CTL_INT 0
+#define CTL_CHAR 1
+#define CTL_CHAR2 2
+#define CTL_DOUBLE 3
+#define CTL_LONG 4
 
 #define ctf_value	ct_val.ctrl_double.ct_value
 #define cti_value	ct_val.ctrl_int.ct_value