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.\"
.\" Copyright 1998 by the Massachusetts Institute of Technology.
.\" SPDX-License-Identifier: MIT
.\"
.TH ARES_PARSE_MX_REPLY 3 "4 August 2009"
.SH NAME
ares_parse_mx_reply \- Parse a reply to a DNS query of type MX
.SH SYNOPSIS
#include <ares.h>
int ares_parse_mx_reply(const unsigned char* \fIabuf\fP, int \fIalen\fP,
struct ares_mx_reply** \fImx_out\fP);
.fi
.SH DESCRIPTION
The
.B ares_parse_mx_reply
function parses the response to a query of type MX into a
linked list of
.I struct ares_mx_reply
The parameters
.I abuf
and
.I alen
give the contents of the response. The result is stored in allocated
memory and a pointer to it stored into the variable pointed to by
.IR mx_out .
It is the caller's responsibility to free the resulting
.IR mx_out
structure when it is no longer needed using the function
\fBares_free_data(3)\fP.
.PP
The structure
.I ares_mx_reply
contains the following fields:
.sp
.in +4n
.nf
struct ares_mx_reply {
struct ares_mx_reply *next;
char *host;
unsigned short priority;
};
.fi
.in
.PP
.SH RETURN VALUES
.B ares_parse_mx_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 AVAILABILITY
This function was first introduced in c-ares version 1.7.2.
.SH SEE ALSO
.BR ares_query (3)
.BR ares_free_data (3)
.SH AUTHOR
Written by Jeremy Lal <kapouer@melix.org>
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