diff --git a/bacnet-stack/bacaddr.c b/bacnet-stack/bacaddr.c
new file mode 100644
index 00000000..d7ef0f3a
--- /dev/null
+++ b/bacnet-stack/bacaddr.c
@@ -0,0 +1,79 @@
+/*####COPYRIGHTBEGIN####
+ -------------------------------------------
+ Copyright (C) 2007 Steve Karg
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to:
+ The Free Software Foundation, Inc.
+ 59 Temple Place - Suite 330
+ Boston, MA  02111-1307, USA.
+
+ As a special exception, if other files instantiate templates or
+ use macros or inline functions from this file, or you compile
+ this file and link it with other works to produce a work based
+ on this file, this file does not by itself cause the resulting
+ work to be covered by the GNU General Public License. However
+ the source code for this file must still be made available in
+ accordance with section (3) of the GNU General Public License.
+
+ This exception does not invalidate any other reasons why a work
+ based on this file might be covered by the GNU General Public
+ License.
+ -------------------------------------------
+####COPYRIGHTEND####*/
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "config.h"
+#include "bacdef.h"
+
+void bacnet_address_copy(BACNET_ADDRESS * dest, BACNET_ADDRESS * src)
+{
+    int i = 0;
+
+    if (dest && src) {
+        dest->mac_len = src->mac_len;
+        for (i = 0; i < MAX_MAC_LEN; i++) {
+            dest->mac[i] = src->mac[i];
+        }
+        dest->net = src->net;
+        dest->len = src->len;
+        for (i = 0; i < MAX_MAC_LEN; i++) {
+            dest->adr[i] = src->adr[i];
+        }
+    }
+}
+
+bool bacnet_address_same(BACNET_ADDRESS * dest, BACNET_ADDRESS * src)
+{
+    int i = 0;
+
+    if (!dest || !src)
+        return false;
+    if (dest->mac_len != src->mac_len)
+        return false;
+    for (i = 0; i < dest->mac_len; i++) {
+        if (dest->mac[i] != src->mac[i])
+            return false;
+    }
+    if (dest->net != src->net)
+        return false;
+    if (dest->len != src->len)
+        return false;
+    for (i = 0; i < dest->len; i++) {
+        if (dest->adr[i] != src->adr[i])
+            return false;
+    }
+
+    return true;
+}
diff --git a/bacnet-stack/bacaddr.h b/bacnet-stack/bacaddr.h
new file mode 100644
index 00000000..17410ce4
--- /dev/null
+++ b/bacnet-stack/bacaddr.h
@@ -0,0 +1,53 @@
+/*####COPYRIGHTBEGIN####
+ -------------------------------------------
+ Copyright (C) 2007 Steve Karg
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to:
+ The Free Software Foundation, Inc.
+ 59 Temple Place - Suite 330
+ Boston, MA  02111-1307, USA.
+
+ As a special exception, if other files instantiate templates or
+ use macros or inline functions from this file, or you compile
+ this file and link it with other works to produce a work based
+ on this file, this file does not by itself cause the resulting
+ work to be covered by the GNU General Public License. However
+ the source code for this file must still be made available in
+ accordance with section (3) of the GNU General Public License.
+
+ This exception does not invalidate any other reasons why a work
+ based on this file might be covered by the GNU General Public
+ License.
+ -------------------------------------------
+####COPYRIGHTEND####*/
+#ifndef BACADDR_H
+#define BACADDR_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "bacdef.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif                          /* __cplusplus */
+
+    void bacnet_address_copy(BACNET_ADDRESS * dest, BACNET_ADDRESS * src);
+    bool bacnet_address_same(BACNET_ADDRESS * dest, BACNET_ADDRESS * src);
+
+#ifdef __cplusplus
+}
+#endif                          /* __cplusplus */
+#endif
+ 
\ No newline at end of file