programa que haga un ping y diga hola si el pin funciona

#include <iostream>
#include <string>
#include <curl/curl.h>

using namespace std;

int main() {
  cout << "Hola Rodrigo!" << endl;
  string url = "http://www.google.com";
  CURL* curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
    CURLcode res = curl_easy_perform(curl);
    if (res == CURLE_OK) {
      cout << "Ping funciona!" << endl;
    } else {
      cout << "Ping no funciona!" << endl;
    }
  }
  
  cout << "Saliendo del programa..." << endl;
  
  return 0;
}