+XBT_PUBLIC(void) routing_model_create(size_t size_of_link,void *loopback);
+
+
+/*
+ * Resource protected methods
+ */
+xbt_dict_t surf_resource_properties(const void *resource);
+
+XBT_PUBLIC(void) surfxml_bufferstack_push(int new);
+XBT_PUBLIC(void) surfxml_bufferstack_pop(int new);
+XBT_PUBLIC_DATA(int) surfxml_bufferstack_size;
+