NAME

       CURLOPT_HEADERDATA - pointer to pass to header callback

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HEADERDATA, void *pointer);

DESCRIPTION

       Pass a pointer to be used to write the header part of the received data to.

       If  CURLOPT_WRITEFUNCTION(3)  or CURLOPT_HEADERFUNCTION(3) is used, pointer will be passed
       in to the respective callback.

       If neither of those options are set, pointer must be a valid FILE * and it will be used by
       a plain fwrite() to write headers to.

DEFAULT

       NULL

PROTOCOLS

       All

EXAMPLE

       TODO

AVAILABILITY

       Always

RETURN VALUE

       Returns CURLE_OK

SEE ALSO

       CURLOPT_HEADERFUNCTION(3), CURLOPT_WRITEFUNCTION(3),