SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_DATA, void *pointer); DESCRIPTION Pass a pointer that will be untouched by libcurl and passed as the ptr argument to the CURL_CHUNK_BGN_FUNCTION(3) and CURL_CHUNK_END_FUNCTION(3). DEFAULT NULL PROTOCOLS FTP EXAMPLE TODO AVAILABILITY Added in 7.21.0 RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.