ctypes 파이썬 외부 함수 라이브러리

from ctypes import *
 
msvcrt = cdll.msvcrt
message_string = "Hello world!\n"
msvcrt.printf("Testing: %s", message_string)
 
seitz = c_char_p("loves the python")
print seitz.value
 
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: %ld" %my_barley.barley_long
print "Barley amount as an int: %d" %my_barley.barley_int
print "Barley amount as a char: %s" %my_barley.barley_char

자세한 내용은 https://docs.python.org/2/library/ctypes.html