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);
void * yaffs_getdev(const YCHAR *path);
int yaffs_dump_dev(const YCHAR *path);
-
+/* Trace control functions */
+int yaffs_set_trace(unsigned int tm);
+unsigned int yaffs_get_trace(void);
#endif