Unknown option: "-3"
Unix manual page for CURLOPT_KRBLEVEL. (host=minya system=Darwin)
CURLOPT_KRBLEVEL(3) curl_easy_setopt options CURLOPT_KRBLEVEL(3)
NAME
CURLOPT_KRBLEVEL - set FTP kerberos security level
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_KRBLEVEL, char *level);
DESCRIPTION
Pass a char * as parameter. Set the kerberos security level for FTP;
this also enables kerberos awareness. This is a string that should
match one of the following: 'clear', 'safe', 'confidential' or 'pri-
vate'. If the string is set but doesn't match one of these, 'private'
will be used. Set the string to NULL to disable kerberos support for
FTP.
The application does not have to keep the string around after setting
this option.
DEFAULT
NULL
PROTOCOLS
FTP
EXAMPLE
TODO
AVAILABILITY
This option was known as CURLOPT_KRB4LEVEL up to 7.16.3
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_KRBLEVEL(3), CURLOPT_USE_SSL(3),
libcurl 7.54.0 December 21, 2016 CURLOPT_KRBLEVEL(3)