ares 1.1.1 with collected applied patches

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+.\" $Id$
+.\"
+.\" Copyright 1998 by the Massachusetts Institute of Technology.
+.\"
+.\" 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_PARSE_PTR_REPLY 3 "25 July 1998"
+.SH NAME
+ares_parse_ptr_reply \- Parse a reply to a DNS query of type PTR into a hostent
+.SH SYNOPSIS
+.nf
+.B #include <ares.h>
+.PP
+.B
+int ares_parse_ptr_reply(const unsigned char *\fIabuf\fB, int \fIalen\fB,
+.B
+ 	const void *\fIaddr\fP, int \fIaddrlen\fP, int \fIfamily\fP,
+.B	struct hostent **\fIhost\fB);
+.fi
+.SH DESCRIPTION
+The
+.B ares_parse_ptr_reply
+function parses the response to a query of type PTR into a
+.BR "struct hostent" .
+The parameters
+.I abuf
+and
+.I alen
+give the contents of the response.  The parameters
+.IR addr ,
+.IR addrlen ,
+and
+.I family
+specify which address was queried for; they are not used to verify the
+response, merely used to fill in the address of the
+.BR "struct hostent" .
+The resulting
+.B struct hostent
+is stored in allocated memory and a pointer to it stored into the
+variable pointed to by
+.IR host .
+It is the caller's responsibility to free the resulting host structure
+using
+.BR ares_free_hostent (3)
+when it is no longer needed.
+.SH RETURN VALUES
+.B ares_parse_ptr_reply
+can return any of the following values:
+.TP 15
+.B ARES_SUCCESS
+The response was successfully parsed.
+.TP 15
+.B ARES_EBADRESP
+The response was malformatted.
+.TP 15
+.B ARES_ENODATA
+The response did not contain an answer to the query.
+.TP 15
+.B ARES_ENOMEM
+Memory was exhausted.
+.SH SEE ALSO
+.BR ares_gethostbyaddr (3),
+.BR ares_free_hostent (3)
+.SH AUTHOR
+Greg Hudson, MIT Information Systems
+.br
+Copyright 1998 by the Massachusetts Institute of Technology.