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

NAME
       CURLOPT_PROXYPASSWORD - password to use with proxy authentication

SYNOPSIS
       #include <curl/curl.h>

       CURLcode  curl_easy_setopt(CURL  *handle,  CURLOPT_PROXYPASSWORD,  char
       *pwd);

DESCRIPTION
       Pass a char * as parameter, which should be pointing to the zero termi-
       nated password to use for authentication with the proxy.

       The  CURLOPT_PROXYPASSWORD(3) option should be used in conjunction with
       the CURLOPT_PROXYUSERNAME(3) option.

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

DEFAULT
       blank

PROTOCOLS
       Most

EXAMPLE
       TODO

AVAILABILITY
       Added in 7.19.1

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_PASSWORD(3),   CURLOPT_PROXYUSERNAME(3),   CURLOPT_HTTPAUTH(3),
       CURLOPT_PROXYAUTH(3)

libcurl 7.54.0                 December 21, 2016      CURLOPT_PROXYPASSWORD(3)