diff --git a/bacnet-stack/include/bvlc.h b/bacnet-stack/include/bvlc.h
index 9962f4e5..4df6d5fe 100644
--- a/bacnet-stack/include/bvlc.h
+++ b/bacnet-stack/include/bvlc.h
@@ -53,7 +53,7 @@ extern "C" {
 #define bvlc_maintenance_timer(x)
 #endif
     /* registers with a bbmd as a foreign device */
-    void bvlc_register_with_bbmd(
+    int bvlc_register_with_bbmd(
         uint32_t bbmd_address,  /* in network byte order */
         uint16_t bbmd_port,     /* in network byte order */
         uint16_t time_to_live_seconds);
diff --git a/bacnet-stack/include/datalink.h b/bacnet-stack/include/datalink.h
index d931ea4c..7289972f 100644
--- a/bacnet-stack/include/datalink.h
+++ b/bacnet-stack/include/datalink.h
@@ -82,6 +82,8 @@
 #define datalink_cleanup bip_cleanup
 #define datalink_get_broadcast_address bip_get_broadcast_address
 #ifdef BAC_ROUTING
+extern void routed_get_my_address(
+        BACNET_ADDRESS * my_address);
 #define datalink_get_my_address routed_get_my_address
 #else
 #define datalink_get_my_address bip_get_my_address
diff --git a/bacnet-stack/include/dlenv.h b/bacnet-stack/include/dlenv.h
index 841069f5..09e3e4f2 100644
--- a/bacnet-stack/include/dlenv.h
+++ b/bacnet-stack/include/dlenv.h
@@ -31,11 +31,17 @@ extern "C" {
 
     void dlenv_init(
         void);
-    void dlenv_register_as_foreign_device(
+    int dlenv_register_as_foreign_device(
         void);
     void dlenv_maintenance_timer(
         uint16_t elapsed_seconds);
-
+    
+    /* Simple setters and getter. */
+    void set_bbmd_address( long address );
+    void set_bbmd_port( int port );
+    void set_bbmd_ttl( int ttl_secs );
+    int  get_bbmd_result( void );
+    
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */