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+.\"
+.\" Copyright 2010 by Ben Greear <greearb@candelatech.com>
+.\"
+.\" Permission to use, copy, modify, and distribute this
+.\" software and its documentation for any purpose and without
+.\" fee is hereby granted, provided that the above copyright
+.\" notice appear in all copies and that both that copyright
+.\" notice and this permission notice appear in supporting
+.\" documentation, and that the name of M.I.T. not be used in
+.\" advertising or publicity pertaining to distribution of the
+.\" software without specific, written prior permission.
+.\" M.I.T. makes no representations about the suitability of
+.\" this software for any purpose.  It is provided "as is"
+.\" without express or implied warranty.
+.\"
+.TH ARES_SET_SERVERS 3 "5 March 2010"
+.SH NAME
+ares_set_servers, ares_set_servers_ports \- Initialize an ares_channel name servers configuration
+.SH SYNOPSIS
+.nf
+.B #include <ares.h>
+.PP
+.B int ares_set_servers(ares_channel \fIchannel\fP, struct ares_addr_node *\fIservers\fP)
+.B int ares_set_servers_ports(ares_channel \fIchannel\fP, struct ares_addr_port_node *\fIservers\fP)
+.fi
+.SH DESCRIPTION
+The \fBares_set_servers(3)\fP function initializes name servers configuration
+for the channel data identified by
+.IR channel ,
+from a
+.IR servers
+pointer to a linked list of ares_addr_node structs holding name servers
+address data.
+.PP
+The name server linked list pointer argument may be the result of a previous
+call to \fBares_get_servers(3)\fP or a linked list of \fBares_addr_node\fP structs
+set up by other means.
+.PP
+The \fBares_set_servers(3)\fP function also allows the specification of UDP and
+TCP ports to be used for communication on a per-server basis.  The provided
+linked list argument may be the result of a previous call to
+\fBares_get_servers_ports(3)\fP or a linked list of \fBares_addr_port_node\fP structs
+set up by other means.
+.PP
+This function replaces any potentially previously configured name servers
+with the ones given in the linked list. So, in order to configure a channel
+with more than one name server all the desired ones must be specified in a
+single list.
+.PP
+The function does not take ownership of the linked list argument.
+The caller is responsible for freeing the linked list when no longer needed.
+.PP
+This function is capable of handling IPv4 and IPv6 name server
+addresses simultaneously, rendering \fBares_init_options(3)\fP with
+optmask \fBARES_OPT_SERVERS\fP functionally obsolete except for
+IPv4-only name server usage.
+
+.SH RETURN VALUES
+.B ares_set_servers(3)
+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_csv (3),
+.BR ares_get_servers (3),
+.BR ares_init_options (3),
+.BR ares_dup(3)
+.SH AVAILABILITY
+\fBares_set_servers(3)\fP was added in c-ares 1.7.1;
+\fBares_set_servers_ports(3)\fP was added in c-ares 1.11.0.
+.SH AUTHOR
+Implementation of this function and associated library internals are based
+on code, comments and feedback provided in November and December of 2008 by
+Daniel Stenberg, Gregor Jasny, Phil Blundell and Yang Tse, December 2009
+by Cedric Bail, February 2010 by Jakub Hrozek. On March 2010 Yang Tse
+shuffled all the bits and this function popped out.
+.br
+Copyright 1998 by the Massachusetts Institute of Technology.
+.br
+Copyright (C) 2008-2010 by Daniel Stenberg