- GtkWidget *sock = gtk_socket_new();
- g_signal_connect(sock, "plug-removed", G_CALLBACK(return_true), NULL);
+ GtkWidget *sock[1];
+ sock[0] = gtk_socket_new();
+ g_signal_connect(sock[0], "plug-added", G_CALLBACK(switch_sockets), (gpointer)23);
+ g_signal_connect(sock[0], "plug-removed", G_CALLBACK(return_true), NULL);