cintest

cintest.cpp

#include <iostream>
#include <string>
#include <limits>

int main(void) {
    int count{};
    while(true) {
        std::string s;
        std::cout << "ctrl-d has been pressed " << count << " times " 
            << std::endl;
        std::getline(std::cin, s);
        if(std::cin.eof()){
            ++count;
            std::cin.clear();
            std::cout << std::numeric_limits<std::streamsize>::max() << "\n";
            std::cin.ignore(std::numeric_limits<std::streamsize>::max());
        }
    }
}