-#int yaffs_StartUp(void)
-yaffs_StartUp = ylib.yaffs_StartUp
-yaffs_StartUp.argtypes = []
-yaffs_StartUp.restype = c_int
+#int yaffs_start_up(void)
+yaffs_start_up = ylib.yaffs_start_up
+yaffs_start_up.argtypes = []
+yaffs_start_up.restype = c_int
+
+#int yaffs_set_trace(unsigned int tm) { return yaffs_traceMask=tm; }
+yaffs_set_trace=ylib.yaffs_set_trace
+yaffs_set_trace.argtypes=[c_uint]
+yaffs_set_trace.restype=c_uint
+
+#int yaffs_get_trace(void) { return yaffs_traceMask; }
+yaffs_get_trace=ylib.yaffs_get_trace
+yaffs_get_trace.argtypes=[]
+yaffs_get_trace.restypes=c_uint
+
+#int yaffs_get_error(void)
+yaffs_get_error=ylib.yaffs_get_error
+yaffs_get_error.argtypes=[]
+yaffs_get_error.restypes=c_int