C in Python

C 라이브러리 파일 

Window - msvcrt.dll 

Linux - libc.so.6

Mac - /usr/lib/libc.dylib 

# cdll.msvcrt / CDLL("libc.so.6") / CDLL('/usr/lib/libc.dylib') 

from ctypes import *

libc = CDLL("libc.so.6") # linux

libc.printf("THIS IS PRINTF")

ctypes type	C type	Python type
c_bool	_Bool	bool (1)
c_char	char	1-character string
c_wchar	wchar_t	1-character unicode string
c_byte	char	int/long
c_ubyte	unsigned char	int/long
c_short	short	int/long
c_ushort	unsigned short	int/long
c_int	int	int/long
c_uint	unsigned int	int/long
c_long	long	int/long
c_ulong	unsigned long	int/long
c_longlong	__int64 or long long	int/long
c_ulonglong	unsigned __int64 or unsigned long long	int/long
c_float	float	float
c_double	double	float
c_longdouble	long double	float
c_char_p	char * (NUL terminated)	string or None
c_wchar_p	wchar_t * (NUL terminated)	unicode or None
c_void_p	void *	int/long or None

struct ex_struct

{

int a;

unsinged int b;

};

class ex_struct(Structure):

_fields_ = [

("a", c_int),

("b", c_uint),

]

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