void redo_entry(BC_WindowBase *calling_window_gui);
void save_undo_data();
void load_undo_data();
+ void remove_undo_data();
int copy_target(const char *path, const char *target);
int link_target(const char *real_path, const char *link_path, int relative);
void save_project(const char *dir, int save_mode, int overwrite, int reload);