72 lines
1.5 KiB
Markdown
72 lines
1.5 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_TELNETOPTIONS
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_HTTPHEADER (3)
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- CURLOPT_QUOTE (3)
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Protocol:
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- TELNET
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Added-in: 7.7
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---
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# NAME
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CURLOPT_TELNETOPTIONS - set of telnet options
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TELNETOPTIONS,
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struct curl_slist *cmds);
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~~~
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# DESCRIPTION
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Provide a pointer to a curl_slist with variables to pass to the telnet
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negotiations. The variables should be in the format \<option=value\>. libcurl
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supports the options **TTYPE**, **XDISPLOC** and **NEW_ENV**. See the TELNET
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standard for details.
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Using this option multiple times makes the last set list override the previous
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ones. Set it to NULL to disable its use again.
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libcurl does not copy the list, it needs to be kept around until after the
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transfer has completed.
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# DEFAULT
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NULL
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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struct curl_slist *options;
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options = curl_slist_append(NULL, "TTTYPE=vt100");
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options = curl_slist_append(options, "USER=foobar");
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curl_easy_setopt(curl, CURLOPT_URL, "telnet://example.com/");
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curl_easy_setopt(curl, CURLOPT_TELNETOPTIONS, options);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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curl_slist_free_all(options);
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}
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}
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~~~
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# %AVAILABILITY%
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# RETURN VALUE
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Returns CURLE_OK if TELNET is supported, and CURLE_UNKNOWN_OPTION if not.
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