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curl

    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2018, 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: /* <DESC>
   23:  * Use getinfo to get content-type after completed transfer.
   24:  * </DESC>
   25:  */
   26: #include <stdio.h>
   27: #include <curl/curl.h>
   28: 
   29: int main(void)
   30: {
   31:   CURL *curl;
   32:   CURLcode res;
   33: 
   34:   curl = curl_easy_init();
   35:   if(curl) {
   36:     curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
   37:     res = curl_easy_perform(curl);
   38: 
   39:     if(CURLE_OK == res) {
   40:       char *ct;
   41:       /* ask for the content-type */
   42:       res = curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &ct);
   43: 
   44:       if((CURLE_OK == res) && ct)
   45:         printf("We received Content-Type: %s\n", ct);
   46:     }
   47: 
   48:     /* always cleanup */
   49:     curl_easy_cleanup(curl);
   50:   }
   51:   return 0;
   52: }