如下所示：

INPUT = c_int * 4# 實例化一個長度為2的整型數組input = INPUT()# 為數組賦值（input這個數組是不支持迭代的）input[0] = 11input[1] = 2input[2] = 3input[3] = 4dll.teststring.restype = c_char_p# bytes(aaaa, encoding="utf-8")a = dll.teststring(input,4)MYLIBDLL char* teststring(int* plus1, int len);char* teststring(int* plus1,int len) {	for (int i = 0; i < len; i++) {		printf("%d /n", plus1[i]);	} 	Mat mat;	//加載圖片  	mat = imread("bgs.jpg", CV_LOAD_IMAGE_COLOR);	printf("a %d %d", mat.rows, mat.cols);	//if (!mat.empty()) {	int m, n;	n = mat.cols * 3;	m = mat.rows;	unsigned char *data = (unsigned char*)malloc(sizeof(unsigned char) * m * n);	int p = 0;	for (int i = 0; i < m; i++)	{		for (int j = 0; j < n; j++)		{			data[p] = mat.at<unsigned char>(i, j);			p++;		}	}	*plus1 = p;	return (char*)data;}

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