Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision 79ae36ddc409577eb0da3750b3a7280e034566a2)
+++ uspace/lib/c/include/async.h	(revision 491e1ee9881202f1429aea1ba68be1c132608e3c)
@@ -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