1 files changed, 3 insertions, 0 deletions

diff --git a/obj.h b/obj.h
index f9a4a26..8182129 100644
--- a/obj.h
+++ b/obj.h
@@ -1,6 +1,9 @@
 #ifndef OBJ_H
 #define OBJ_H
 
+/* external variables */
+char obj_last_fname[31];
+
 typedef struct
 {
     float x, y, z;