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    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
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   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:  * Checks if HTTP/3 support is present in libcurl.
   24:  * </DESC>
   25:  */
   26: #include <stdio.h>
   27: #include <curl/curl.h>
   28: 
   29: int main(void)
   30: {
   31:   curl_version_info_data *ver;
   32: 
   33:   curl_global_init(CURL_GLOBAL_ALL);
   34: 
   35:   ver = curl_version_info(CURLVERSION_NOW);
   36:   if(ver->features & CURL_VERSION_HTTP2)
   37:     printf("HTTP/2 support is present\n");
   38: 
   39:   if(ver->features & CURL_VERSION_HTTP3)
   40:     printf("HTTP/3 support is present\n");
   41: 
   42:   if(ver->features & CURL_VERSION_ALTSVC)
   43:     printf("Alt-svc support is present\n");
   44: 
   45:   curl_global_cleanup();
   46:   return 0;
   47: }