diff -pur FreeWnn-1.1.1-a017-547/Xsi/PubdicPlus/ctopd.c FreeWnn-1.1.1-a017/Xsi/PubdicPlus/ctopd.c
--- FreeWnn-1.1.1-a017-547/Xsi/PubdicPlus/ctopd.c	2000-02-23 16:32:03.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/PubdicPlus/ctopd.c	2005-09-22 14:14:02.000000000 +0200
@@ -25,6 +25,7 @@ static char rcsid[] = "$Id: ctopd.c,v 1.
 #endif
 
 #include <stdio.h>
+#include <string.h>
 
 static char *program;
 
diff -pur FreeWnn-1.1.1-a017-547/Xsi/PubdicPlus/wtopd.c FreeWnn-1.1.1-a017/Xsi/PubdicPlus/wtopd.c
--- FreeWnn-1.1.1-a017-547/Xsi/PubdicPlus/wtopd.c	2000-02-23 16:32:03.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/PubdicPlus/wtopd.c	2005-09-22 14:12:49.000000000 +0200
@@ -25,6 +25,8 @@ static char rcsid[] = "$Id: wtopd.c,v 1.
 #endif
 
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 
 static char *program;
 
diff -pur FreeWnn-1.1.1-a017-547/Xsi/Wnn/uum/ttyfdslot.c FreeWnn-1.1.1-a017/Xsi/Wnn/uum/ttyfdslot.c
--- FreeWnn-1.1.1-a017-547/Xsi/Wnn/uum/ttyfdslot.c	2000-02-23 16:31:45.000000000 +0100
+++ FreeWnn-1.1.1-a017/Xsi/Wnn/uum/ttyfdslot.c	2005-09-22 14:22:49.000000000 +0200
@@ -37,6 +37,8 @@
 #if defined(BSD42) && (! defined(BSD43)) || defined(linux)
 
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 #define SLOTSIZ 32
 
 char *ttyname ();