Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision 79ae36ddc409577eb0da3750b3a7280e034566a2)
+++ uspace/lib/c/include/async.h	(revision 59f799be95f00b971d4f8d75df8ce375d03c9f98)
@@ -464,4 +464,5 @@
 extern async_sess_t *async_clone_receive(exch_mgmt_t);
 extern async_sess_t *async_callback_receive(exch_mgmt_t);
+extern async_sess_t *async_callback_receive_start(exch_mgmt_t, ipc_call_t *);
 
 #endif