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

NAME
       CURLMOPT_TIMERDATA - custom pointer to pass to timer callback

SYNOPSIS
       #include <curl/curl.h>

       CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_TIMERDATA, void *pointer);

DESCRIPTION
       A  data  pointer  to  pass  to  the  timer  callback set with the CURL-
       MOPT_TIMERFUNCTION(3) option.

       This pointer will not be touched by libcurl but will only be passed  in
       to the timer callbacks's userp argument.

DEFAULT
       NULL

PROTOCOLS
       All

EXAMPLE
       TODO

AVAILABILITY
       Added in 7.16.0

RETURN VALUE
       Returns  CURLM_OK  if the option is supported, and CURLM_UNKNOWN_OPTION
       if not.

SEE ALSO
       CURLMOPT_TIMERFUNCTION(3), CURLMOPT_SOCKETFUNCTION(3),

libcurl 7.54.0                 February 03, 2016         CURLMOPT_TIMERDATA(3)