chapter1-unions.py

#!/usr/bin/env python
# _*_ coding:utf-8 _*_

from ctypes import *
class barley_amount(Union):
    _fields_ = [
("barley_long", c_long),
("barley_int", c_int),
("barley_char", c_char * 8),
]

value = raw_input("Enter the amount of barley to put into the beer vat:")
my_barley = barley_amount(int(value))
print "Barley amount as a long: %1d" % my_barley.barley_long
print "Barley amount as an int: %d" % my_barley.barley_long
print "Barley amount as a char: %s" % my_barley.barley_char

巴特西

chapter1-unions.py

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