NAME

       CURLINFO_HEADER_SIZE - get size of retrieved headers

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HEADER_SIZE, long *sizep);

DESCRIPTION

       Pass  a  pointer  to  a long to receive the total size of all the headers received. Measured in number of
       bytes.

       The total includes the size of any received headers suppressed by CURLOPT_SUPPRESS_CONNECT_HEADERS(3).

PROTOCOLS

       All

EXAMPLE

       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 size;
           res = curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &size);
           if(!res)
             printf("Header size: %ld bytes\n", size);
         }
         curl_easy_cleanup(curl);
       }

AVAILABILITY

       Added in 7.4.1

RETURN VALUE

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

SEE ALSO

       curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_REQUEST_SIZE(3), CURLINFO_SIZE_DOWNLOAD(3),