1---
2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
3SPDX-License-Identifier: curl
4Title: CURLINFO_HTTP_VERSION
5Section: 3
6Source: libcurl
7See-also:
8  - CURLINFO_RESPONSE_CODE (3)
9  - curl_easy_getinfo (3)
10  - curl_easy_setopt (3)
11Protocol:
12  - HTTP
13Added-in: 7.50.0
14---
15
16# NAME
17
18CURLINFO_HTTP_VERSION - get the http version used in the connection
19
20# SYNOPSIS
21
22~~~c
23#include <curl/curl.h>
24
25CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);
26~~~
27
28# DESCRIPTION
29
30Pass a pointer to a long to receive the version used in the last http
31connection done using this handle. The returned value is
32CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0,
33CURL_HTTP_VERSION_3 or 0 if the version cannot be determined.
34
35# %PROTOCOLS%
36
37# EXAMPLE
38
39~~~c
40int main(void)
41{
42  CURL *curl = curl_easy_init();
43  if(curl) {
44    CURLcode res;
45    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
46    res = curl_easy_perform(curl);
47    if(res == CURLE_OK) {
48      long http_version;
49      curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version);
50    }
51    curl_easy_cleanup(curl);
52  }
53}
54~~~
55
56# %AVAILABILITY%
57
58# RETURN VALUE
59
60Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
61