xref: /curl/docs/examples/getinfo.c (revision 2bc1d775)
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 /* <DESC>
25  * Use getinfo to get content-type after completed transfer.
26  * </DESC>
27  */
28 #include <stdio.h>
29 #include <curl/curl.h>
30 
main(void)31 int main(void)
32 {
33   CURL *curl;
34   CURLcode res;
35 
36   curl = curl_easy_init();
37   if(curl) {
38     curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/");
39     res = curl_easy_perform(curl);
40 
41     if(CURLE_OK == res) {
42       char *ct;
43       /* ask for the content-type */
44       res = curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &ct);
45 
46       if((CURLE_OK == res) && ct)
47         printf("We received Content-Type: %s\n", ct);
48     }
49 
50     /* always cleanup */
51     curl_easy_cleanup(curl);
52   }
53   return 0;
54 }
55