mirror of https://github.com/c-ares/c-ares.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.5 KiB
67 lines
1.5 KiB
.\" |
|
.\" 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>
|
|
|