#include "stdafx.h"
#include<iostream>
#include<stdio.h>
#include<string>
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
char *line=NULL;
size_t len=23;
int read;
if ((line=(char*)malloc((len + 1))) == NULL) {
cout << "为空";
exit(-1);
}
cin >> line;
size_t l=sizeof(line);
line=(char*)realloc(line,l);
while ((read = getline(&line, &len, stdin)) != -1)
cout << line;
free(line);
return 0;
}
如题