--- /dev/null
+--- a/yaffs2/yaffs_guts.h
++++ b/yaffs2/yaffs_guts.h
+@@ -17,8 +17,9 @@
+ #define __YAFFS_GUTS_H__
+
+ #include "yportenv.h"
++#include <stdint.h>
+
+-typedef __loff_t loff_t;
++typedef int64_t loff_t;
+
+ #define YAFFS_OK 1
+ #define YAFFS_FAIL 0