CURLOPT_SEEKDATA

#include <curl/curl.h>

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

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.

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

HTTP, FTP, SFTP

Added in 7.18.0

CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),