+
+/* Module xheader.c. */
+
+void xheader_decode (struct tar_stat_info *);
+void xheader_store (char const *, struct tar_stat_info const *);
+void xheader_read (union block *, size_t);
+void xheader_finish (struct xheader *);
+void xheader_destroy (struct xheader *);