Return status code of a webpage in C using CURL

statusCode.c

// requires #include <curl/curl.h>

int statusCode(char *addr){

    CURL *curl;
    CURLcode res;
    long response_code;

    // Initialize curl
    curl_global_init(CURL_GLOBAL_DEFAULT);

    // Create a curl handle
    curl = curl_easy_init();
    if (curl) {
        curl_easy_setopt(curl, CURLOPT_URL, addr);
        curl_easy_setopt(curl, CURLOPT_NOBODY, 1);
        //set server user/pass for basic auth
        curl_easy_setopt(curl, CURLOPT_USERPWD, "supersu:guideme");

        res = curl_easy_perform(curl);
        if(res == CURLE_OK) {

            curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
        }
        curl_easy_cleanup(curl);
    }

    // Cleanup global curl resources
    curl_global_cleanup();
    return  response_code;

}