[root@typhoeus79 c]# more head.c #include <stdio.h>#include <stdlib.h>typedef struct _point{    int x;    int y;}Point;Point * InitPoint(int x,int y){    Point *p = (Point *)malloc(sizeof(Point));    p->x = x;    p->y = y;    return p;}Point * Incre(Point * p){    p->x = p->x + 1;    p->y = p->y + 1;    return p;}gcc -fPIC -shared -o libhead.so ./head.c 

[root@typhoeus79 ice_test_m c]# more test.py #!/usr/bin/env python2.7#-*- coding:utf-8 -*-from ctypes import *class Point(Structure):    _fields_ = [("x",c_int),("y",c_int)]if __name__ == ‘__main__‘:    ddl = CDLL("./libhead.so")    ddl.InitPoint.restype = POINTER(Point)    p = ddl.InitPoint(5,6);    print p.contents.x    print p.contents.y[root@typhoeus79 ice_test_m c]# ./test.py 56