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.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2016, 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_TFTP_NO_OPTIONS 3 "23 Feb 2016" "libcurl 7.48.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_TFTP_NO_OPTIONS \- Do not send TFTP options requests.
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_NO_OPTIONS, long onoff);
.SH DESCRIPTION
Set \fIonoff\fP to 1L to exclude all TFTP options defined in RFC2347, RFC2348
and RFC2349 from read and write requests (RRQs/WRQs).
This option improves interop with some legacy servers that do not acknowledge
or properly implement TFTP options. When this option is used
\fICURLOPT_TFTP_BLKSIZE(3)\fP is ignored.
.SH DEFAULT
0
.SH PROTOCOLS
TFTP
.SH EXAMPLE
.nf
size_t write_callback(char *ptr, size_t size, size_t nmemb, void *fp)
{
return fwrite(ptr, size, nmemb, (FILE *)fp);
}
CURL *curl = curl_easy_init();
if(curl) {
FILE *fp = fopen("foo.bin", "wb");
if(fp) {
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)fp);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/foo.bin");
/* do not send TFTP options requests */
curl_easy_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
/* Perform the request */
curl_easy_perform(curl);
fclose(fp);
}
curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.48.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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