CURLINFO_HTTP_VERSION(3)   Library Functions Manual   CURLINFO_HTTP_VERSION(3)

NAME
       CURLINFO_HTTP_VERSION - get the http version used in the connection

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_VERSION, long *p);

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.

PROTOCOLS
       HTTP

EXAMPLE
       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);
         }
       }

AVAILABILITY
       Added in 7.50.0

RETURN VALUE
       Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       CURLINFO_RESPONSE_CODE(3), curl_easy_getinfo(3), curl_easy_setopt(3)

libcurl                          April 26 2024        CURLINFO_HTTP_VERSION(3)