C++:
기본 인증을 사용한 HTTP 요청 보내기

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

static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
    ((std::string*)userp)->append((char*)contents, size * nmemb);
    return size * nmemb;
}

int main() {
    CURL *curl;
    CURLcode res;
    std::string readBuffer;

    curl_global_init(CURL_GLOBAL_DEFAULT);

    curl = curl_easy_init();
    if(curl) {
        const std::string username = "user";
        const std::string password = "pass";
        std::string credentials = username + ":" + password;

        curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/data");
        curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_BASIC);
        curl_easy_setopt(curl, CURLOPT_USERPWD, credentials.c_str());
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);

        res = curl_easy_perform(curl);

        if(res != CURLE_OK) {
            std::cerr << "curl_easy_perform() failed: " << curl_easy_strerror(res) << std::endl;
        } else {
            std::cout << "Output: " << readBuffer << std::endl;
        }

        curl_easy_cleanup(curl);
    }

    curl_global_cleanup();

    return 0;
}