--- /dev/null
+#include <gtk/gtk.h>
+
+
+void
+activate_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+lock_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+kill_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+restart_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+exit_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+about_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+doc_menu_cb (GtkMenuItem *menuitem,
+ gpointer user_data);
+
+void
+switch_page_cb (GtkNotebook *notebook,
+ GtkNotebookPage *page,
+ gint page_num,
+ gpointer user_data);
+
+void
+pref_changed_cb (GtkToggleButton *togglebutton,
+ gpointer user_data);
+
+void
+run_this_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+settings_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+run_next_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+run_prev_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+browse_image_dir_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+settings_switch_page_cb (GtkNotebook *notebook,
+ GtkNotebookPage *page,
+ gint page_num,
+ gpointer user_data);
+
+void
+manual_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+settings_adv_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+settings_std_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+settings_ok_cb (GtkButton *button,
+ gpointer user_data);
+
+void
+settings_cancel_cb (GtkButton *button,
+ gpointer user_data);