HTTP Post

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

int main(void)
{
    std::string urlString;
    std::string dataString;
    CURL *curl;
    CURLcode res;
    curl_global_init(CURL_GLOBAL_ALL);
    curl = curl_easy_init();
    if(curl)
    {
      std::cout << "Insert URL: ";
      std::getline(std::cin, urlString);
      char* url = new char[urlString.length()+1];
      std::strcpy(url, urlString.c_str());
      std::cout << "Insert POST data[field=value&field2=value]: ";
      std::getline(std::cin, dataString);
      char* data = new char[dataString.length()+1];
      std:strcpy(data, dataString.c_str());
      curl_easy_setopt(curl, CURLOPT_URL, url);
      curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
      res = curl_easy_perform(curl);
      if(res != CURLE_OK)
        fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
      else
        std::cout << "Ok" << std::endl;
      curl_easy_cleanup(curl);
     }
     curl_global_cleanup();
     return 0;
}