def getSpecialRowID():
 values = (255, 255, 255, 255, 255, 255, 255, 255, 255)
 s = struct.Struct('B B B B B B B B B')
 packed_data = s.pack(*values)
 return packed_data

def getSpecialRowID ( ) : values = ( 255 , 255 , 255 , 255 , 255 , 255 , 255 , 255 , 255 ) s = struct . Struct ( 'B B B B B B B B B' ) packed_data = s . pack ( * values ) return packed_data
special row id is 0xff ffff ffff ffff ffff .