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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" *
+.\" * This software is licensed as described in the file COPYING, which
+.\" * you should have received as part of this distribution. The terms
+.\" * are also available at https://curl.haxx.se/docs/copyright.html.
+.\" *
+.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+.\" * copies of the Software, and permit persons to whom the Software is
+.\" * furnished to do so, under the terms of the COPYING file.
+.\" *
+.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+.\" * KIND, either express or implied.
+.\" *
+.\" **************************************************************************
+.\"
+.TH CURLOPT_TELNETOPTIONS 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
+.SH NAME
+CURLOPT_TELNETOPTIONS \- custom telnet options
+.SH SYNOPSIS
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TELNETOPTIONS,
+                          struct curl_slist *cmds);
+.SH 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.
+.SH DEFAULT
+NULL
+.SH PROTOCOLS
+TELNET
+.SH EXAMPLE
+.nf
+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);
+}
+.fi
+.SH AVAILABILITY
+Along with TELNET
+.SH RETURN VALUE
+Returns CURLE_OK if TELNET is supported, and CURLE_UNKNOWN_OPTION if not.
+.SH "SEE ALSO"
+.BR CURLOPT_HTTPHEADER "(3), " CURLOPT_QUOTE "(3), "