[Python] C 함수 호출 하기

C library 작성

#include <stdio.h>

int add(int left, int right) {

    return left+right;

}

 

C library 빌드

gcc -shared -o libaddnumber.so add_number.c

 

Python Code 작성

from ctypes import CDLL

 

def main():

    c_func = CDLL('./libaddnumber.so')

    print(c_func.add(10, 20))

 

if __name__ == '__main__':

    main()

 

 

실행결과

chobocho@Chobocho-Mint:~/github/python/sharedlib$ python3 add_number.py 

30