Add some C++ code to do raw files for backup
diff --git a/include/utils/backup_helpers.h b/include/utils/backup_helpers.h
new file mode 100644
index 0000000..f70444d
--- /dev/null
+++ b/include/utils/backup_helpers.h
@@ -0,0 +1,15 @@
+#ifndef _UTILS_BACKUP_HELPERS_H
+#define _UTILS_BACKUP_HELPERS_H
+
+int back_up_files(int oldSnapshotFD, int newSnapshotFD, int oldDataStream,
+ char const* fileBase, char const* const* files, int fileCount);
+
+#define TEST_BACKUP_HELPERS 1
+
+#if TEST_BACKUP_HELPERS
+int backup_helper_test_empty();
+int backup_helper_test_four();
+int backup_helper_test_files();
+#endif
+
+#endif // _UTILS_BACKUP_HELPERS_H