Hallo, dies ist ein Test.

PWD: /www/data-lst1/unixsoft/unixsoft/kaempfer/.public_html

Running in File Mode
Relative path: ./../../../../../../usr/man/man3/CURLOPT_DNS_INTERFACE.3
Real path: /usr/share/man/man3/CURLOPT_DNS_INTERFACE.3
Zurück

'\" te
.\" **************************************************************************
.\" *                                  _   _ ____  _
.\" *  Project                     ___| | | |  _ \| |
.\" *                             / __| | | | |_) | |
.\" *                            | (__| |_| |  _ <| |___
.\" *                             \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 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.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.
.\" *
.\" * SPDX-License-Identifier: curl
.\" *
.\" **************************************************************************
.\"
.TH CURLOPT_DNS_INTERFACE 3 "September 26, 2023" "ibcurl 8.4.0" libcurl

.SH NAME
CURLOPT_DNS_INTERFACE \- interface to speak DNS over
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_INTERFACE, char *ifname);
.fi
.SH DESCRIPTION
Pass a char * as parameter. Set the name of the network interface that the DNS
resolver should bind to. This must be an interface name (not an address). Set
this option to NULL to use the default setting (do not bind to a specific
interface).

The application does not have to keep the string around after setting this
option.
.SH DEFAULT
NULL
.SH PROTOCOLS
All protocols except file:// - protocols that resolve host names.
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
  curl_easy_setopt(curl, CURLOPT_DNS_INTERFACE, "eth0");
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.33.0. This option also requires that libcurl was built with a
resolver backend that supports this operation. The c-ares backend is the only
such one.
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not,
or CURLE_NOT_BUILT_IN if support was disabled at compile-time.

.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (7)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	web/curl
=
Stability	Uncommitted
.TE

.PP
.SH "SEE ALSO"
.BR CURLOPT_DNS_LOCAL_IP4 (3),
.BR CURLOPT_DNS_LOCAL_IP6 (3),
.BR CURLOPT_DNS_SERVERS (3),
.BR CURLOPT_INTERFACE (3)

.SH NOTES

.\" Oracle has added source availability information to this manual page
Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source-code-downloads.html.

This software was built from source available at https://github.com/oracle/solaris-userland.  The original community source was downloaded from  https://curl.se/download/curl-8.4.0.tar.bz2.

Further information about this software can be found on the open source community website at http://curl.haxx.se/.