NAME

       CURLINFO_PROTOCOL - get the protocol used in the connection

SYNOPSIS

       #include <curl/curl.h>

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

DESCRIPTION

       Pass  a  pointer  to  a long to receive the version used in the last http connection.  The
       returned value will be one of the CURLPROTO_* values.

PROTOCOLS

       All

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 protocol;
           curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
         }
         curl_easy_cleanup(curl);
       }

AVAILABILITY

       Added in 7.52.0

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),