diff --git a/extendedcommands.h b/extendedcommands.h
index a016b84..101552f 100644
--- a/extendedcommands.h
+++ b/extendedcommands.h
@@ -47,3 +47,13 @@
 int has_datadata();
 
 void handle_failure(int ret);
+
+void process_volumes();
+
+int extendedcommand_file_exists();
+
+void show_install_update_menu();
+
+int confirm_selection(const char* title, const char* confirm);
+
+int run_and_remove_extendedcommand();