diff --git a/dosfstools/src/check.h b/dosfstools/src/check.h
new file mode 100644
index 0000000..277c44b
--- /dev/null
+++ b/dosfstools/src/check.h
@@ -0,0 +1,39 @@
+/* check.h - Check and repair a PC/MS-DOS file system
+
+   Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+   On Debian systems, the complete text of the GNU General Public License
+   can be found in /usr/share/common-licenses/GPL-3 file.
+*/
+
+#ifndef _CHECK_H
+#define _CHECK_H
+
+loff_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char *pattern);
+
+/* Allocate a free slot in the root directory for a new file. The file name is
+   constructed after 'pattern', which must include a %d type format for printf
+   and expand to exactly 11 characters. The name actually used is written into
+   the 'de' structure, the rest of *de is cleared. The offset returned is to
+   where in the filesystem the entry belongs. */
+
+int scan_root(DOS_FS * fs);
+
+/* Scans the root directory and recurses into all subdirectories. See check.c
+   for all the details. Returns a non-zero integer if the file system has to
+   be checked again. */
+
+#endif