mojave man page for curlopt_seekdata

CURLOPT_SEEKDATA(3)					     curl_easy_setopt options					       CURLOPT_SEEKDATA(3)

NAME
       CURLOPT_SEEKDATA - custom pointer passed to the seek callback

SYNOPSIS
       #include <curl/curl.h>

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

DESCRIPTION
       Data pointer to pass to the seek callback function. If you use the CURLOPT_SEEKFUNCTION(3) option, this is the pointer you'll get as input.

DEFAULT
       If you don't set this, NULL is passed to the callback.

PROTOCOLS
       HTTP, FTP, SFTP

EXAMPLE
AVAILABILITY
       Added in 7.18.0

RETURN VALUE
SEE ALSO
       CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),

libcurl 7.54.0							 February 03, 2016					       CURLOPT_SEEKDATA(3)