import ctypes
import sys

class A(ctypes.Structure):
	_fields_ = [('b',ctypes.c_char * 1024)]

print "Python version:", sys.version
print "ctypes version:", ctypes.__version__ 

a = A()
stringWithNulls = 'x\000y\000'
print "string with nulls:" , stringWithNulls
a.b = stringWithNulls
print "a.b=", a.b # prints 'x' only
print "type(a.b)", type(a.b) # str?
buf = buffer(a)
print "buffer contents, the 'y' is not copied:"
for i in buf[:10]:
	print i, ord(i)