.\"
.\" Copyright 2010 by Ben Greear <greearb@candelatech.com>
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.\" SPDX-License-Identifier: MIT
.\"
.TH ARES_SET_SERVERS_CSV 3 "30 June 2010"
.SH NAME
ares_set_servers_csv, ares_set_servers_ports_csv \- Set list of DNS servers to be used.
.SH SYNOPSIS
.nf
#include <ares.h>

int ares_set_servers_csv(ares_channel \fIchannel\fP, const char* \fIservers\fP)

int ares_set_servers_ports_csv(ares_channel \fIchannel\fP, const char* \fIservers\fP)
.fi
.SH DESCRIPTION
The \fBares_set_servers_csv\fP and \fBares_set_servers_ports_csv\fPfunctions set
the list of DNS servers that ARES will query.  The format of the servers option is:

host[:port][,host[:port]]...

For example:

192.168.1.100,192.168.1.101,3.4.5.6
.PP
The \fBares_set_servers_csv\fP function will ignore any port values specified in
the input string, whereare the \fBares_set_servers_ports_csv\fP function will
apply any specified port values as the UDP and TCP port to be used for that
particular nameserver.

.SH RETURN VALUES
.B ares_set_servers_csv(3)
This function may return any of the following values:
.TP 15
.B ARES_SUCCESS
The name servers configuration was successfully initialized.
.TP 15
.B ARES_ENOMEM
The process's available memory was exhausted.
.TP 15
.B ARES_ENODATA
The channel data identified by
.IR channel
was invalid.
.TP 15
.B ARES_ENOTINITIALIZED
c-ares library initialization not yet performed.
.TP 15
.B ARES_ENOTIMP
Changing name servers configuration while queries are outstanding is not implemented.
.SH SEE ALSO
.BR ares_set_servers (3)
.SH AVAILABILITY
\fBares_set_servers_csv\fP was added in c-ares 1.7.2;
\fBares_set_servers_ports_csv\fP was added in c-ares 1.11.0.
.SH AUTHOR
Ben Greear