+#ifdef WITH_COA
+int module_recv_coa(int type, REQUEST *request);
+int module_send_coa(int type, REQUEST *request);
+#define MODULE_NULL_COA_FUNCS ,NULL,NULL
+#else
+#define MODULE_NULL_COA_FUNCS
+#endif
+int indexed_modcall(int comp, int idx, REQUEST *request);
+
+/*
+ * For now, these are strongly tied together.
+ */
+int virtual_servers_load(CONF_SECTION *config);
+void virtual_servers_free(time_t when);
+
+#ifdef __cplusplus
+}
+#endif