int input[2] = [0, 1]
void printIntArray(int[] input){
  for(int i = 0; i < 2; i ++){
    print(input[i]);
  }
}

from ctypes import *
# 假设上面的代码被编译成了一个XXXXlib.so的文件
dll = CDLL('XXXXlib.so')
# 声明一个数组类型
INPUT = c_int * 2
# 实例化一个长度为2的整型数组
input = INPUT()
# 为数组赋值（input这个数组是不支持迭代的）
input[0] = 1
input[1] = 2
# 引用C语言的函数
print_int_array = dll.printIntArray
# 调用C语言的函数
print_int_array(input)

from ctypes import *
# 声明一个类，继承自ctypes.Structure
class PythonStructure(Structure):
  _fields_:[('param1',c_int),('param2', c_int),('param3', c_int * 2)]
# 实例化变量
python_structure = PythonStructure()
# 赋值
python_structure.param1 = 1
python_structure.param2 = 3
PARAM = c_int * 2
param3 = PARAM()
param3[0] = 3
param3[1] = 4
python_structure.param3 = param3

void test(pystruct *ps)

from ctypes import *
# 声明一个类，继承自ctypes.Structure
class PythonStructure(Structure):
  _fields_:[('param1',c_int),('param2', c_int),('param3', c_int * 2)]
# 实例化变量
python_structure = PythonStructure()
# 赋值
python_structure.param1 = 1
python_structure.param2 = 3
PARAM = c_int * 2
param3 = PARAM()
param3[0] = 3
param3[1] = 4
python_structure.param3 = param3
# 开始调用
dll = CDLL('XXXXlib.so')
test = dll.test
# 传递参数
test(byref(python_structure))