void messagebox (const gchar *msg, GtkMessageType  type);
gint askbox (const gchar *msg);
void set_defaultwm (GtkListStore *store, GtkTreeIter  *iter);
void remove_defaultwm (GtkTreeModel *model);
GtkWidget * make_main_window (config *selectwm_config);
void cell_edited (GtkCellRendererText *cell, const gchar *path_string, const gchar *new_text, gpointer data);