$OpenBSD: patch-troff_input_cc,v 1.1 2010/05/22 10:39:24 espie Exp $
--- troff/input.cc.orig	Sun Apr  9 09:57:56 2000
+++ troff/input.cc	Sat May 22 12:36:59 2010
@@ -75,6 +75,9 @@ void vjustify();
 #endif /* COLUMN */
 void transparent();
 void transparent_file();
+void process_input_stack();
+void end_diversions();
+void title();
 
 const char *program_name = 0;
 token tok;
