CPP Curl Retrieve Website

gistfile1.cpp

#include <curl/curl.h>
using namespace std;

string contents="";
string check_url(string url){
    string results="";
    curl_global_init(CURL_GLOBAL_SSL );
    CURL* curl = curl_easy_init(); 
    if(curl) { 
        curl_easy_setopt (curl,CURLOPT_SSL_VERIFYHOST, 0L);
        curl_easy_setopt (curl,CURLOPT_SSL_VERIFYPEER, 0L); 
        curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
        curl_easy_setopt(curl,CURLOPT_URL, url.c_str());
        curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,handle_data); 

        CURLcode res = curl_easy_perform(curl); 
        curl_easy_cleanup(curl);
        curl_global_cleanup();


        if(res != CURLE_OK){
          fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
        }
        if (res == 0){
            if(iequals(contents, string(""))){ 
                results="";
            } else results=contents;
        }
    }
    contents="";
    return results;

}