extern int signature_check_enabled; extern int script_assert_enabled; void toggle_signature_check(); void toggle_script_asserts(); void show_choose_zip_menu(); int get_allow_toggle_display(); void ui_set_show_text(int value); int do_nandroid_backup(char* backup_name); int do_nandroid_restore(); void show_nandroid_restore_menu(); void do_mount_usb_storage(); void show_choose_zip_menu(); int install_zip(const char* packagefilepath); int __system(const char *command);