.\"

.\" Copyright 2010 by Ben Greear <greearb@candelatech.com>

.\"

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.\" software and its documentation for any purpose and without

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.\" M.I.T. makes no representations about the suitability of

.\" this software for any purpose.  It is provided "as is"

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.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

.B #include <ares.h>

.PP

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

.B 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.

.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