Maybe some minor changes.

util/led/scan.h

@@ -0,0 +1,13 @@
+/* $Header$ */
+
+/*
+ * Offsets of the pieces of the input module in core.
+ */
+
+#define IND_HEAD	((ind_t)0)
+#define IND_SECT(x)	(IND_HEAD    +		      sizeof(struct outhead))
+#define IND_NAME(x)	(IND_SECT(x) + (x).oh_nsect * sizeof(struct outsect))
+#define IND_CHAR(x)	(IND_NAME(x) + (x).oh_nname * sizeof(struct outname))
+#ifdef SYMDBUG
+#define OFF_DBUG(x)	(OFF_CHAR(x) + (x).oh_nchar)
+#endif SYMDBUG