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. The returned value will be CURL_HTTP_VERSION_1_0,
  CURL_HTTP_VERSION_1_1, or CURL_HTTP_VERSION_2_0, or 0 if the version can't be
  determined.
EXAMPLE¶
CURL *curl = curl_easy_init();
if(curl) {
  CURLcode res;
  curl_easy_setopt(curl, CURLOPT_URL, "http://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.