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

NAME
       CURLOPT_CRLF - enable/disable CRLF conversion

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CRLF, long conv);

DESCRIPTION
       Pass a long. If the value is set to 1 (one), libcurl converts Unix new-
       lines to CRLF newlines on transfers. Disable this option again by  set-
       ting the value to 0 (zero).

       This is a legacy option of questionable use.

DEFAULT
       0

PROTOCOLS
       All

EXAMPLE
       TODO

AVAILABILITY
       SMTP since 7.40.0, other protocols since they were introduced

RETURN VALUE
       Returns CURLE_OK

SEE ALSO
       CURLOPT_CONV_FROM_NETWORK_FUNCTION(3),    CURLOPT_CONV_TO_NETWORK_FUNC-
       TION(3),

libcurl 7.54.0                 February 03, 2016               CURLOPT_CRLF(3)