Provided by: libcurl4-doc_7.81.0-1ubuntu1.21_all 

NAME
CURLOPT_TELNETOPTIONS - set of 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 7.81.0 November 26, 2021 CURLOPT_TELNETOPTIONS(3)