1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24
25 /* <DESC>
26 * Perform a POP3 noop
27 * </DESC>
28 */
29
30 #include <stdio.h>
31 #include <curl/curl.h>
32
33 /* This is a simple example showing how to perform a noop using libcurl's POP3
34 * capabilities.
35 *
36 * Note that this example requires libcurl 7.26.0 or above.
37 */
38
main(void)39 int main(void)
40 {
41 CURL *curl;
42 CURLcode res = CURLE_OK;
43
44 curl = curl_easy_init();
45 if(curl) {
46 /* Set username and password */
47 curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
48 curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
49
50 /* This is just the server URL */
51 curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com");
52
53 /* Set the NOOP command */
54 curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "NOOP");
55
56 /* Do not perform a transfer as NOOP returns no data */
57 curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
58
59 /* Perform the custom request */
60 res = curl_easy_perform(curl);
61
62 /* Check for errors */
63 if(res != CURLE_OK)
64 fprintf(stderr, "curl_easy_perform() failed: %s\n",
65 curl_easy_strerror(res));
66
67 /* Always cleanup */
68 curl_easy_cleanup(curl);
69 }
70
71 return (int)res;
72 }
73