-int ust_buffers_get_subbuf(struct ust_buffer *buf, long *consumed);
-int ust_buffers_put_subbuf(struct ust_buffer *buf, unsigned long uconsumed_old);
+extern int ust_buffers_get_subbuf(struct ust_buffer *buf, long *consumed);
+extern int ust_buffers_put_subbuf(struct ust_buffer *buf, unsigned long uconsumed_old);
+
+extern void init_ustrelay_transport(void);