C++ 读取文件内容到data 结构体 structure

#include <iostream>
#include <fstream>
#include <stdlib.h>
using namespace std;

typedef struct {
int	n;
char *data;
} BLOCK;

int main () {
BLOCK block;

ifstream infile ("test.txt", ios::binary);
infile.read((char*)&block.n, sizeof(block.n));
block.data = (char *)calloc(1, 1024); //allocate space for data
infile.read( block.data, 1024);
infile.close();
cout << "data : " << block.data << endl;

return 0;
}