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

NAME
       CURLOPT_LOW_SPEED_LIMIT - set low speed limit in bytes per second

SYNOPSIS
       #include <curl/curl.h>

       CURLcode  curl_easy_setopt(CURL  *handle, CURLOPT_LOW_SPEED_LIMIT, long
       speedlimit);

DESCRIPTION
       Pass a long as parameter. It contains the  average  transfer  speed  in
       bytes  per  second  that  the  transfer  should  be  below  during CUR-
       LOPT_LOW_SPEED_TIME(3) seconds for libcurl to consider  it  to  be  too
       slow and abort.

DEFAULT
       0, disabled

PROTOCOLS
       All

EXAMPLE
       TODO

AVAILABILITY
       Always

RETURN VALUE
       Returns CURLE_OK

SEE ALSO
       CURLOPT_LOW_SPEED_TIME(3), CURLOPT_TIMEOUT(3),

libcurl 7.54.0                 February 03, 2016    CURLOPT_LOW_SPEED_LIMIT(3)