.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) 1998 - 2019, Daniel Stenberg, , 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. .\" * .\" ************************************************************************** .\" .TH CURLINFO_HTTP_VERSION 3 "September 16, 2020" "libcurl 7.73.0" "curl_easy_getinfo options" .SH NAME CURLINFO_HTTP_VERSION \- get the http version used in the connection .SH SYNOPSIS #include CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p); .SH DESCRIPTION Pass a pointer to a long to receive the version used in the last http connection. The returned value will be CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0, CURL_HTTP_VERSION_3 or 0 if the version can't be determined. .SH PROTOCOLS HTTP .SH EXAMPLE .nf CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); res = curl_easy_perform(curl); if(res == CURLE_OK) { long http_version; curl_easy_getinfo(curl, CURLINFO_HTTP_VERSION, &http_version); } curl_easy_cleanup(curl); } .fi .SH AVAILABILITY Added in 7.50.0 .SH RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. .SH "SEE ALSO" .BR CURLINFO_RESPONSE_CODE "(3), " .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "