--- /dev/null
+/* infutil.h -- types and macros common to blocks and codes
+ * Copyright (C) 1995-1998 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+#ifndef _INFUTIL_H
+#define _INFUTIL_H
+
+#include <linux/zlib.h>
+
+/* memory allocation for inflation */
+
+struct inflate_workspace {
+ struct inflate_state inflate_state;
+ unsigned char working_window[1 << MAX_WBITS];
+};
+
+#define WS(z) ((struct inflate_workspace *)(z->workspace))
+
+#endif