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Annotation of embedaddon/curl/docs/examples/pop3-noop.c, revision 1.1

1.1     ! misho       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.
        !            17:  *
        !            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 showing how to perform a noop
        !            25:  * </DESC>
        !            26:  */
        !            27: 
        !            28: #include <stdio.h>
        !            29: #include <curl/curl.h>
        !            30: 
        !            31: /* This is a simple example showing how to perform a noop using libcurl's POP3
        !            32:  * capabilities.
        !            33:  *
        !            34:  * Note that this example requires libcurl 7.26.0 or above.
        !            35:  */
        !            36: 
        !            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 NOOP command */
        !            52:     curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "NOOP");
        !            53: 
        !            54:     /* Do not perform a transfer as NOOP returns no data */
        !            55:     curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
        !            56: 
        !            57:     /* Perform the custom request */
        !            58:     res = curl_easy_perform(curl);
        !            59: 
        !            60:     /* Check for errors */
        !            61:     if(res != CURLE_OK)
        !            62:       fprintf(stderr, "curl_easy_perform() failed: %s\n",
        !            63:               curl_easy_strerror(res));
        !            64: 
        !            65:     /* Always cleanup */
        !            66:     curl_easy_cleanup(curl);
        !            67:   }
        !            68: 
        !            69:   return (int)res;
        !            70: }