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diff --git a/conversion/memfs.hh b/conversion/memfs.hh
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+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community 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.
+*
+* Rasdaman community 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 rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+/
+/**
+ * INCLUDE: memfs.hh
+ *
+ * MODULE: conversion
+ *
+ * PURPOSE:
+ * Memory Filing System used by some of the convertor modules.
+ *
+ * COMMENTS:
+ *			None
+*/
+
+#ifndef _MEMFS_HH_
+#define _MEMFS_HH_
+
+/* For data types used by the memfs */
+#include "tiffio.h"
+#include "raslib/odmgtypes.hh"
+
+
+/* Claim blocks in 4k chunks */
+const int MEMFS_LD_BLOCKSIZE = 12;
+/* Initially preserve enough room for 16 blocks */
+const int MEMFS_MAM_ENTRIES = 16;
+
+typedef struct memFSContext {
+  r_Long pos, high;
+  int mamSize, mamHighest;
+  char **mam;
+  char *chunk;
+} memFSContext;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Flexible, read-write memFS */
+int memfs_initfs(thandle_t handle);
+void memfs_killfs(thandle_t handle);
+void memfs_newfile(thandle_t handle);
+tsize_t memfs_read(thandle_t handle, tdata_t mem, tsize_t size);
+tsize_t memfs_write(thandle_t handle, tdata_t mem, tsize_t size);
+toff_t memfs_seek(thandle_t handle, toff_t offset, int mode);
+int memfs_close(thandle_t handle);
+toff_t memfs_size(thandle_t handle);
+int memfs_map(thandle_t handle, tdata_t *memp, toff_t *top);
+void memfs_unmap(thandle_t handle, tdata_t mem, toff_t top);
+
+/* Simple, read-only memFS */
+void memfs_chunk_initfs(thandle_t handle, char *src, r_Long size);
+tsize_t memfs_chunk_read(thandle_t handle, tdata_t mem, tsize_t size);
+toff_t memfs_chunk_seek(thandle_t handle, toff_t offset, int mode);
+int memfs_chunk_close(thandle_t handle);
+toff_t memfs_chunk_size(thandle_t handle);
+int memfs_chunk_map(thandle_t handle, tdata_t *memp, toff_t *top);
+void memfs_chunk_unmap(thandle_t handle, tdata_t mem, toff_t to);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif