Index: uspace/lib/hound/include/hound/protocol.h
===================================================================
--- uspace/lib/hound/include/hound/protocol.h	(revision 78188e5873f47aad1ea0bb8b9e68b6f694b89dc4)
+++ uspace/lib/hound/include/hound/protocol.h	(revision 68e540652e175b4bfb5504f9363d31c97d4c5a17)
@@ -58,19 +58,9 @@
 typedef intptr_t hound_context_id_t;
 
-/**
- * Check context id for errors.
- * @param id Context id
- * @return Error code.
- */
-static inline int hound_context_id_err(hound_context_id_t id)
-{
-	return id > 0 ? EOK : (id == 0 ? ENOENT : id);
-}
-
 hound_sess_t *hound_service_connect(const char *service);
 void hound_service_disconnect(hound_sess_t *sess);
 
-hound_context_id_t hound_service_register_context(hound_sess_t *sess,
-    const char *name, bool record);
+int hound_service_register_context(hound_sess_t *sess,
+    const char *name, bool record, hound_context_id_t *id);
 int hound_service_unregister_context(hound_sess_t *sess, hound_context_id_t id);