int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int shareMode) ;
-struct yaffs_dev_s;
-void yaffs_add_device(struct yaffs_dev_s *dev);
+struct yaffs_dev;
+void yaffs_add_device(struct yaffs_dev *dev);
int yaffs_start_up(void);
int yaffsfs_GetLastError(void);