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examples: add http3.c, altsvc.c and http3-present.c

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Closes #4221
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Daniel Stenberg 2019-08-13 11:24:50 +02:00
parent cc5fae5dac
commit f3c34bf83c
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4 changed files with 159 additions and 1 deletions
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docs/examples/http3-present.c Normal file
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
/* <DESC>
* Checks if HTTP/3 support is present in libcurl.
* </DESC>
*/
#include <stdio.h>
#include <curl/curl.h>
int main(void)
{
curl_version_info_data *ver;
curl_global_init(CURL_GLOBAL_ALL);
ver = curl_version_info(CURLVERSION_NOW);
if(ver->features & CURL_VERSION_HTTP2)
printf("HTTP/2 support is present\n");
if(ver->features & CURL_VERSION_HTTP3)
printf("HTTP/3 support is present\n");
if(ver->features & CURL_VERSION_ALTSVC)
printf("Alt-svc support is present\n");
curl_global_cleanup();
return 0;
}