chapter1-printf.py

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

from ctypes import *
libc = CDLL("libc.so.6")
message_string = "Hello world!\n"
libc.printf("Testing: %s", message_string)

test

[root@chenbj python]# python chapter1-printf.py
Testing: Hello world!