1 files changed, 9 insertions, 0 deletions
diff --git a/def.h b/def.h
index f08f753..435221e 100644
--- a/def.h
+++ b/def.h
@@ -8,9 +8,18 @@
 #ifndef _DEFINT_H
 #define _DEFINT_H
 
+/* Retain information from TRACKS entries in a DEF file */
+
+typedef struct tracks_ {
+    double start;
+    int ntracks;
+    double pitch;
+} *TRACKS;
+
 extern int numSpecial;
 extern int DefRead(char *inName, float *);
 
+extern TRACKS DefGetTracks(int layer);
 extern GATE DefFindGate(char *name);
 extern NET DefFindNet(char *name);