text: /***************************************************************************
   *                                  _   _ ____  _
   *  Project                     ___| | | |  _ \| |
   *                             / __| | | | |_) | |
   *                            | (__| |_| |  _ <| |___
   *                             \___|\___/|_| \_\_____|
   *
   * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
   *
   * This software is licensed as described in the file COPYING, which
   * you should have received as part of this distribution. The terms
   * are also available at https://curl.haxx.se/docs/copyright.html.
   *
   * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   * copies of the Software, and permit persons to whom the Software is
   * furnished to do so, under the terms of the COPYING file.
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   * KIND, either express or implied.
   *
   ***************************************************************************/
  
  /* <DESC>
   * POP3 example to list the contents of a mailbox
   * </DESC>
   */
  
  #include <stdio.h>
  #include <curl/curl.h>
  
  /* This is a simple example using libcurl's POP3 capabilities to list the
   * contents of a mailbox.
   *
   * Note that this example requires libcurl 7.20.0 or above.
   */
  
  int main(void) {
      CURL *curl;
      CURLcode res = CURLE_OK;
  
      curl = curl_easy_init();
      if (curl) {
          /* Set username and password */
          curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
          curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
  
          /* This will list every message of the given mailbox */
          curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com");
  
          /* Perform the list */
          res = curl_easy_perform(curl);
  
          /* Check for errors */
          if (res != CURLE_OK)
              fprintf(stderr, "curl_easy_perform() failed: %s\n",
                      curl_easy_strerror(res));
  
          /* Always cleanup */
          curl_easy_cleanup(curl);
      }
  
      return (int) res;
  }
  