Provided by: libcurl4-doc_7.47.0-1ubuntu2.19_all 

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.
PROTOCOLS
All
EXAMPLE
TODO
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),
libcurl 7.44.0 1 Sep 2015 CURLINFO_HEADER_SIZE(3)