curlopt_debugdata(3) mojave man page | unix.com

CURLOPT_DEBUGDATA(3)					     curl_easy_setopt options					      CURLOPT_DEBUGDATA(3)

NAME
       CURLOPT_DEBUGDATA - custom pointer for debug callback

SYNOPSIS
       #include <curl/curl.h>

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

DESCRIPTION
       Pass  a	pointer  to  whatever you want passed in to your CURLOPT_DEBUGFUNCTION(3) in the last void * argument. This pointer is not used by
       libcurl, it is only passed to the callback.

DEFAULT
       NULL

PROTOCOLS
       All

EXAMPLE
       https://curl.haxx.se/libcurl/c/debug.html

AVAILABILITY
       Always

RETURN VALUE
       Returns CURLE_OK

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

libcurl 7.54.0							 February 03, 2016					      CURLOPT_DEBUGDATA(3)