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diff --git a/tools/libfsimage/common/fsimage.h b/tools/libfsimage/common/fsimage.h
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+/*
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _FSIMAGE_H
+#define _FSIMAGE_H
+
+#ifdef __cplusplus
+extern C {
+#endif
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <unistd.h>
+
+typedef struct fsi fsi_t;
+typedef struct fsi_file fsi_file_t;
+
+fsi_t *fsi_open_fsimage(const char *, uint64_t);
+void fsi_close_fsimage(fsi_t *);
+
+int fsi_file_exists(fsi_t *, const char *);
+fsi_file_t *fsi_open_file(fsi_t *, const char *);
+int fsi_close_file(fsi_file_t *);
+
+ssize_t fsi_read_file(fsi_file_t *, void *, size_t);
+ssize_t fsi_pread_file(fsi_file_t *, void *, size_t, uint64_t);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif /* _FSIMAGE_H */