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

NAME
       CURLOPT_PROXY_SERVICE_NAME - proxy authentication service name

SYNOPSIS
       #include <curl/curl.h>

       CURLcode   curl_easy_setopt(CURL  *handle,  CURLOPT_PROXY_SERVICE_NAME,
       char *name);

DESCRIPTION
       Pass a char * as parameter to a string holding the name of the service.
       The  default  service  name is "HTTP" for HTTP based proxies and "rcmd"
       for SOCKS5. This option allows you to change it.

       The application does not have to keep the string around  after  setting
       this option.

DEFAULT
       See above

PROTOCOLS
       All network protocols

EXAMPLE
       TODO

AVAILABILITY
       Added in 7.43.0 for HTTP proxies, 7.49.0 for SOCKS5 proxies.

RETURN VALUE
       Returns  CURLE_OK  if  the option is supported, CURLE_UNKNOWN_OPTION if
       not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO
       CURLOPT_PROXY(3), CURLOPT_PROXYTYPE(3),

libcurl 7.54.0                 December 21, 2016 CURLOPT_PROXY_SERVICE_NAME(3)