use non-blocking recv() function from libnetconf
diff --git a/src/mod_netconf.h b/src/mod_netconf.h
index 2e8951a..0f9bf79 100644
--- a/src/mod_netconf.h
+++ b/src/mod_netconf.h
@@ -150,5 +150,8 @@
 void clean_err_reply();
 void free_err_reply();
 
+NC_MSG_TYPE netconf_send_recv_timed(struct nc_session *session, nc_rpc *rpc,
+					   int timeout, nc_reply **reply);
+
 #endif