1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2019, 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.haxx.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.
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18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19  * KIND, either express or implied.
20  *
21  ***************************************************************************/
22 
23 /* <DESC>
24  * POP3 example to list the contents of a mailbox by unique ID
25  * </DESC>
26  */
27 
28 #include <stdio.h>
29 #include <curl/curl.h>
30 
31 /* This is a simple example using libcurl's POP3 capabilities to list the
32  * contents of a mailbox by unique ID.
33  *
34  * Note that this example requires libcurl 7.26.0 or above.
35  */
36 
main(void)37 int main(void)
38 {
39   CURL *curl;
40   CURLcode res = CURLE_OK;
41 
42   curl = curl_easy_init();
43   if(curl) {
44     /* Set username and password */
45     curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
46     curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
47 
48     /* This is just the server URL */
49     curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com");
50 
51     /* Set the UIDL command */
52     curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "UIDL");
53 
54     /* Perform the custom request */
55     res = curl_easy_perform(curl);
56 
57     /* Check for errors */
58     if(res != CURLE_OK)
59       fprintf(stderr, "curl_easy_perform() failed: %s\n",
60               curl_easy_strerror(res));
61 
62     /* Always cleanup */
63     curl_easy_cleanup(curl);
64   }
65 
66   return (int)res;
67 }
68