annotate mupdf-source/thirdparty/curl/docs/examples/altsvc.c @ 46:7ee69f120f19 default tip

>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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22 /* <DESC>
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23 * HTTP with Alt-Svc support
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24 * </DESC>
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25 */
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26 #include <stdio.h>
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27 #include <curl/curl.h>
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29 int main(void)
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30 {
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31 CURL *curl;
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32 CURLcode res;
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34 curl = curl_easy_init();
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35 if(curl) {
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36 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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38 /* cache the alternatives in this file */
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39 curl_easy_setopt(curl, CURLOPT_ALTSVC, "altsvc.txt");
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41 /* restrict which HTTP versions to use alternatives */
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42 curl_easy_setopt(curl, CURLOPT_ALTSVC_CTRL, (long)
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43 CURLALTSVC_H1|CURLALTSVC_H2|CURLALTSVC_H3);
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45 /* Perform the request, res will get the return code */
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46 res = curl_easy_perform(curl);
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47 /* Check for errors */
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48 if(res != CURLE_OK)
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49 fprintf(stderr, "curl_easy_perform() failed: %s\n",
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50 curl_easy_strerror(res));
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52 /* always cleanup */
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53 curl_easy_cleanup(curl);
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54 }
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55 return 0;
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56 }