diff --git a/libc/include/cpio.h b/libc/include/cpio.h
new file mode 100644
index 0000000..ceeeb87
--- /dev/null
+++ b/libc/include/cpio.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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
+ * COPYRIGHT OWNER OR CONTRIBUTORS 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.
+ */
+
+#ifndef _CPIO_H_
+#define _CPIO_H_
+
+#include <sys/cdefs.h>
+
+#define C_IRUSR 0000400
+#define C_IWUSR 0000200
+#define C_IXUSR 0000100
+#define C_IRGRP 0000040
+#define C_IWGRP 0000020
+#define C_IXGRP 0000010
+#define C_IROTH 0000004
+#define C_IWOTH 0000002
+#define C_IXOTH 0000001
+#define C_ISUID 0004000
+#define C_ISGID 0002000
+#define C_ISVTX 0001000
+#define C_ISDIR 0040000
+#define C_ISFIFO 0010000
+#define C_ISREG 0100000
+#define C_ISBLK 0060000
+#define C_ISCHR 0020000
+#define C_ISCTG 0110000
+#define C_ISLNK 0120000
+#define C_ISSOCK 0140000
+
+#define MAGIC "070707"
+
+#endif /* _CPIO_H_ */
diff --git a/libc/include/tar.h b/libc/include/tar.h
new file mode 100644
index 0000000..a5d7a36
--- /dev/null
+++ b/libc/include/tar.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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
+ * COPYRIGHT OWNER OR CONTRIBUTORS 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.
+ */
+
+#ifndef _TAR_H_
+#define _TAR_H_
+
+#include <sys/cdefs.h>
+
+#define TMAGIC "ustar"
+#define TMAGLEN 6
+#define TVERSION "00"
+#define TVERSLEN 2
+
+#define REGTYPE '0'
+#define AREGTYPE '\0'
+#define LNKTYPE '1'
+#define SYMTYPE '2'
+#define CHRTYPE '3'
+#define BLKTYPE '4'
+#define DIRTYPE '5'
+#define FIFOTYPE '6'
+#define CONTTYPE '7'
+
+#define TSUID 04000
+#define TSGID 02000
+#define TSVTX 01000
+#define TUREAD 00400
+#define TUWRITE 00200
+#define TUEXEC 00100
+#define TGREAD 00040
+#define TGWRITE 00020
+#define TGEXEC 00010
+#define TOREAD 00004
+#define TOWRITE 00002
+#define TOEXEC 00001
+
+#endif /* _TAR_H_ */