Stuff

#include <gtk/gtk.h>void remove_child (GtkWidget *widget, gpointer data){	printf ("remove child\n");	gtk_container_remove (GTK_CONTAINER ((GtkContainer*) data),	  widget);}void construct (GtkWidget *window1, GtkWidget *play_image){   GtkWidget *align;   GtkWidget *box;    g_object_ref (G_OBJECT(play_image));  	 if (GTK_BIN (window1)->child) {     GtkWidget *old_align= GTK_BIN (window1)->child;		GtkWidget *old_box= GTK_BIN(old_align)->child;  	gtk_container_foreach (GTK_CONTAINER(old_box), (GtkCallback) remove_child, old_box);		gtk_container_remove (GTK_CONTAINER (window1),				old_align);			 }   align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);      box = gtk_hbox_new (FALSE, 1);       gtk_box_pack_start (GTK_BOX (box), play_image, FALSE, FALSE, 0);     gtk_container_add (GTK_CONTAINER (align), box);    gtk_container_add (GTK_CONTAINER (window1), align);    gtk_widget_show_all (align);   g_object_unref (play_image);  }intmain (int argc, char *argv[]){  GtkWidget *window1;  GtkWidget *togglebutton1;  GtkWidget *play_image;  GtkWidget *stop_image;   gtk_init (&argc, &argv);     window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);  play_image = gtk_image_new_from_stock("gtk-media-play", GTK_ICON_SIZE_BUTTON);  stop_image = gtk_image_new_from_stock("gtk-media-stop", GTK_ICON_SIZE_BUTTON);    g_object_ref (G_OBJECT(play_image));         construct (window1, play_image);  construct (window1, stop_image);   construct (window1, play_image);   gtk_widget_show_all (window1);  gtk_main ();  return 0;}