-be called when the client library is running. After that callback the
-xapplication may start using other client library API functions.
+be called when the client library is running. Only after the callback is
+delivered may the application start using other client library API functions.
+For example, connecting to a server will fail if it is performed before
+the SilcClientRunning callback is called. The callback is called after the
+silc_client_run or silc_client_run_one has been called.