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CURLOPT_TELNETOPTIONS(3)   curl_easy_setopt options   CURLOPT_TELNETOPTIONS(3)

NAME
       CURLOPT_TELNETOPTIONS - custom telnet options

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TELNETOPTIONS,
                                 struct curl_slist *cmds);

DESCRIPTION
       Provide a pointer to a curl_slist with variables to pass to the telnet
       negotiations. The variables should be in the format <option=value>.
       libcurl supports the options 'TTYPE', 'XDISPLOC' and 'NEW_ENV'. See the
       TELNET standard for details.

DEFAULT
       NULL

PROTOCOLS
       TELNET

EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl) {
         struct curl_slist *options;
         options = curl_slist_append(NULL, "TTTYPE=vt100");
         options = curl_slist_append(options, "USER=foobar");
         curl_easy_setopt(curl, CURLOPT_URL, "telnet://example.com/");
         curl_easy_setopt(curl, CURLOPT_TELNETOPTIONS, options);
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
         curl_slist_free_all(options);
       }

AVAILABILITY
       Along with TELNET

RETURN VALUE
       Returns CURLE_OK if TELNET is supported, and CURLE_UNKNOWN_OPTION if
       not.

SEE ALSO
       CURLOPT_HTTPHEADER(3), CURLOPT_QUOTE(3),

libcurl 7.73.0                   May 31, 2017         CURLOPT_TELNETOPTIONS(3)