diff -pur a2ps-4.13-1059/lib/title.c a2ps-4.13/lib/title.c
--- a2ps-4.13-1059/lib/title.c	2005-09-20 13:40:15.000000000 +0200
+++ a2ps-4.13/lib/title.c	2005-09-20 13:53:13.000000000 +0200
@@ -57,6 +57,10 @@
 
 #include "title.h"
 #include "printlen.h"
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/socket.h>
 
 /* Print the message FORMAT, which is a printf-style
    format string*/