int server(int argc, char *argv[]);
int client(int argc, char *argv[]);
-static int server_cb_hello_handler(gras_msg_cb_ctx_t ctx, void *payload_data)
+static int server_cb_hello_handler(gras_msg_cb_ctx_t ctx,
+ void *payload_data)
{
INFO0("Got the message");
return 0;