C++/File/String Based IO
Perform both input and output
#include <iostream>
#include <strstream>
using namespace std;
int main()
{
char iostr[80];
strstream strio(iostr, sizeof(iostr), ios::in | ios::out);
int a, b;
char str[80];
strio << "10 20 30 40 50 60 www.java2s.co testing ";
strio >> a >> b >> str;
cout << a << " " << b << " " << str << endl;
return 0;
}