diff -ru hcode2.1-mailpatch3.orig/hcode.c hcode2.1-mailpatch3/hcode.c
--- hcode2.1-mailpatch3.orig/hcode.c	1998-03-11 10:46:36.000000000 +0100
+++ hcode2.1-mailpatch3/hcode.c	2005-09-22 14:34:18.000000000 +0200
@@ -14,7 +14,9 @@
 ************************************************************ */
 
 #include <stdio.h>
-#include <strings.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
 #include "hcode.h"
 
 extern void pr2m();
diff -ru hcode2.1-mailpatch3.orig/mail.c hcode2.1-mailpatch3/mail.c
--- hcode2.1-mailpatch3.orig/mail.c	1998-03-11 11:02:22.000000000 +0100
+++ hcode2.1-mailpatch3/mail.c	2005-09-22 14:24:37.000000000 +0200
@@ -1,4 +1,6 @@
 #include <stdio.h>
+#include <string.h>
+#include <ctype.h>
 
 /* ------------------------------------------------------
     Search for Starting Mark and print out (ENGLISH) prologue