mirror of https://github.com/axmolengine/axmol.git
82 lines
2.4 KiB
Groff
82 lines
2.4 KiB
Groff
.\"
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.\" Copyright 1998 by the Massachusetts Institute of Technology.
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.\" Copyright (C) 2004-2010 by Daniel Stenberg
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.\"
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.\" Permission to use, copy, modify, and distribute this
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.\" software and its documentation for any purpose and without
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.\" fee is hereby granted, provided that the above copyright
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.\" notice appear in all copies and that both that copyright
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.\" notice and this permission notice appear in supporting
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.\" documentation, and that the name of M.I.T. not be used in
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.\" advertising or publicity pertaining to distribution of the
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.\" software without specific, written prior permission.
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.\" M.I.T. makes no representations about the suitability of
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.\" this software for any purpose. It is provided "as is"
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.\" without express or implied warranty.
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.\"
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.TH ARES_INIT 3 "5 March 2010"
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.SH NAME
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ares_init \- Initialize a resolver channel
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.SH SYNOPSIS
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.nf
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#include <ares.h>
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int ares_init(ares_channel *\fIchannelptr\fP)
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.fi
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.SH DESCRIPTION
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The \fBares_init(3)\fP function initializes a communications channel for name
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service lookups. If it returns successfully, \fBares_init(3)\fP will set the
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variable pointed to by \fIchannelptr\fP to a handle used to identify the name
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service channel. The caller should invoke \fIares_destroy(3)\fP on the handle
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when the channel is no longer needed.
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The \fIares_init_options(3)\fP function is provide to offer more init
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alternatives.
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.SH RETURN VALUES
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\fIares_init(3)\fP can return any of the following values:
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.TP 14
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.B ARES_SUCCESS
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Initialization succeeded.
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.TP 14
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.B ARES_EFILE
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A configuration file could not be read.
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.TP 14
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.B ARES_ENOMEM
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The process's available memory was exhausted.
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.TP 14
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.B ARES_ENOTINITIALIZED
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c-ares library initialization not yet performed.
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.SH NOTES
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When initializing from
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.B /etc/resolv.conf,
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.BR ares_init (3)
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reads the
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.I domain
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and
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.I search
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directives to allow lookups of short names relative to the domains
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specified. The
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.I domain
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and
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.I search
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directives override one another. If more that one instance of either
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.I domain
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or
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.I search
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directives is specified, the last occurrence wins. For more information,
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please see the
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.BR resolv.conf (5)
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manual page.
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.SH SEE ALSO
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.BR ares_init_options(3),
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.BR ares_destroy(3),
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.BR ares_dup(3),
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.BR ares_library_init(3),
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.BR ares_set_servers(3)
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.SH AUTHOR
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Greg Hudson, MIT Information Systems
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.br
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Copyright 1998 by the Massachusetts Institute of Technology.
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.br
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Copyright (C) 2004-2010 by Daniel Stenberg.
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