.\" generated by cd2nroff 0.1 from CURLINFO_HTTP_VERSION.md
.TH CURLINFO_HTTP_VERSION 3 "2024-11-18" libcurl
.SH NAME
CURLINFO_HTTP_VERSION \- get the http version used in the connection
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);
.fi
.SH DESCRIPTION
Pass a pointer to a long to receive the version used in the last http
connection done using this handle. The returned value is
CURL_HTTP_VERSION_1_0, CURL_HTTP_VERSION_1_1, CURL_HTTP_VERSION_2_0,
CURL_HTTP_VERSION_3 or 0 if the version cannot be determined.
.SH PROTOCOLS
This functionality affects http only
.SH EXAMPLE
.nf
int main(void)
{
  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 curl 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),
.BR curl_easy_setopt (3)