Unknown option: "-3" Unix manual page for CURLOPT_XFERINFODATA. (host=minya system=Darwin)
CURLOPT_XFERINFODATA(3)    curl_easy_setopt options    CURLOPT_XFERINFODATA(3)

NAME
       CURLOPT_XFERINFODATA - custom pointer passed to the progress callback

SYNOPSIS
       #include <curl/curl.h>

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

DESCRIPTION
       Pass a pointer that will be untouched by  libcurl  and  passed  as  the
       first  argument in the progress callback set with CURLOPT_XFERINFOFUNC-
       TION(3).

       This is an alias for CURLOPT_PROGRESSDATA(3).

DEFAULT
       The default value of this parameter is NULL.

PROTOCOLS
       All

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

AVAILABILITY
       Added in 7.32.0

RETURN VALUE
       Returns CURLE_OK

SEE ALSO
       CURLOPT_XFERINFOFUNCTION(3), CURLOPT_XFERINFOFUNCTION(3),

libcurl 7.54.0                 February 03, 2016       CURLOPT_XFERINFODATA(3)