--- src/u_heavy.c.orig	Thu Apr 20 00:09:43 2017
+++ src/u_heavy.c	Thu Apr 20 00:10:22 2017
@@ -31,7 +31,9 @@ USHORT heavy_text_loc;
 static USHORT read_tree_c(void);
 static USHORT read_tree_p(void);
 INLINE USHORT decode_c(void);
+extern USHORT decode_c(void);
 INLINE USHORT decode_p(void);
+extern USHORT decode_p(void);
 
 
 
