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

NAME
       CURLINFO_PRIVATE - get the private pointer

SYNOPSIS
       #include <curl/curl.h>

       CURLcode  curl_easy_getinfo(CURL *handle, CURLINFO_PRIVATE, char **pri-
       vate);

DESCRIPTION
       Pass a pointer to a char pointer to receive the pointer to the  private
       data associated with the curl handle (set with the CURLOPT_PRIVATE(3)).
       Please note that for internal reasons, the value is returned as a  char
       pointer, although effectively being a 'void *'.

PROTOCOLS
       All

EXAMPLE
       TODO

AVAILABILITY
       Added in 7.10.3

RETURN VALUE
       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       curl_easy_getinfo(3), curl_easy_setopt(3), CURLOPT_PRIVATE(3),

libcurl 7.54.0                 February 03, 2016           CURLINFO_PRIVATE(3)