diff --exclude='*~' -urN scanssh-2.1.orig/arc4random.c scanssh-2.1/arc4random.c
--- scanssh-2.1.orig/arc4random.c	2005-03-08 21:20:11.117873024 -0500
+++ scanssh-2.1/arc4random.c	2005-03-08 21:26:22.265450016 -0500
@@ -1,5 +1,6 @@
 #include <sys/types.h>
 #include <stdlib.h>
+#include <time.h>
 
 #include "config.h"
 
diff --exclude='*~' -urN scanssh-2.1.orig/interface.c scanssh-2.1/interface.c
--- scanssh-2.1.orig/interface.c	2005-03-08 21:20:11.116873176 -0500
+++ scanssh-2.1/interface.c	2005-03-08 21:33:50.532303096 -0500
@@ -56,6 +56,13 @@
 
 #include "interface.h"
 
+#ifndef HAVE_STRLCPY
+    size_t strlcpy(char *, const char *, size_t);
+#endif
+#ifndef HAVE_STRLCAT
+    size_t strlcat(char *, const char *, size_t);
+#endif
+
 /* Prototypes */
 static int pcap_dloff(pcap_t *);
 
diff --exclude='*~' -urN scanssh-2.1.orig/md5.c scanssh-2.1/md5.c
--- scanssh-2.1.orig/md5.c	2005-03-08 21:20:11.117873024 -0500
+++ scanssh-2.1/md5.c	2005-03-08 21:26:53.747663992 -0500
@@ -23,6 +23,7 @@
    copyright in any changes I have made; this code remains in the
    public domain.  */
 
+#include <string.h>
 #include <sys/types.h>
 
 #ifdef HAVE_CONFIG_H
diff --exclude='*~' -urN scanssh-2.1.orig/scanssh.c scanssh-2.1/scanssh.c
--- scanssh-2.1.orig/scanssh.c	2005-03-08 21:20:11.124871960 -0500
+++ scanssh-2.1/scanssh.c	2005-03-08 21:34:08.508570288 -0500
@@ -78,6 +78,10 @@
 #define DNFPRINTF(y, x)
 #endif
 
+#ifndef HAVE_STRLCPY
+    size_t strlcpy(char *, const char *, size_t);
+#endif
+
 struct address_node {
 	TAILQ_ENTRY (address_node) an_next;
 
diff --exclude='*~' -urN scanssh-2.1.orig/xmalloc.c scanssh-2.1/xmalloc.c
--- scanssh-2.1.orig/xmalloc.c	2005-03-08 21:20:11.120872568 -0500
+++ scanssh-2.1/xmalloc.c	2005-03-08 21:34:26.479838240 -0500
@@ -20,6 +20,10 @@
 
 #include "config.h"
 
+#ifndef HAVE_STRLCPY
+    size_t strlcpy(char *, const char *, size_t);
+#endif
+
 void *
 xmalloc(size_t size)
 {