Index: uspace/lib/untar/private/tar.h
===================================================================
--- uspace/lib/untar/private/tar.h	(revision 24fda5ed4fb3077000933b68f72dfc153ba3db02)
+++ uspace/lib/untar/private/tar.h	(revision 24fda5ed4fb3077000933b68f72dfc153ba3db02)
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2013 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup libuntar
+ * @{
+ */
+/** @file
+ */
+
+#ifndef TAR_H_
+#define TAR_H_
+
+#define TAR_BLOCK_SIZE 512
+
+typedef struct tar_header_raw {
+	char filename[100];
+	char permissions[8];
+	char owner[8];
+	char group[8];
+	char size[12];
+	char modification_time[12];
+	char checksum[8];
+	char type;
+	char name[100];
+	char ustar_magic[6];
+	char ustar_version[2];
+	char ustar_owner_name[32];
+	char ustar_group_name[32];
+	char ustar_device_major[8];
+	char ustar_device_minor[8];
+	char ustar_prefix[155];
+	char ignored[12];
+} tar_header_raw_t;
+
+typedef enum tar_type {
+	TAR_TYPE_UNKNOWN,
+	TAR_TYPE_NORMAL,
+	TAR_TYPE_DIRECTORY
+} tar_type_t;
+
+typedef struct tar_header {
+	char filename[100];
+	size_t size;
+	tar_type_t type;
+} tar_header_t;
+
+extern errno_t tar_header_parse(tar_header_t *, const tar_header_raw_t *);
+extern tar_type_t tar_type_parse(const char);
+extern const char *tar_type_str(tar_type_t);
+
+#endif
+
+/** @}
+ */