void Gtk_selection_remove_all(int ARI, ei_x_buff *XBUF, char *B, int *I){
gboolean Gtk_selection_remove_all(int ARI, ei_x_buff *XBUF, char *B, int *I){
void Gtk_selection_remove_all(int ARI, ei_x_buff *XBUF, char *B, int *I){  GtkWidget* widget;  /* no return value */  if ( ! gn_check_arity(XBUF, 1, ARI) ) return;  if ( ! gn_get_arg_object(XBUF, B, I, GTK_TYPE_WIDGET, (GObject**)&widget) ) return;  gtk_selection_remove_all(widget);  gn_put_void(XBUF);}