ARES_PARSE_MX_REPLY

Section: C Library Functions (3)
Updated: 4 August 2009
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NAME

ares_parse_mx_reply - Parse a reply to a DNS query of type MX  

SYNOPSIS

#include <ares.h>

int ares_parse_mx_reply(const unsigned char* abuf, int alen,
                        struct ares_mx_reply** mx_out);  

DESCRIPTION

The ares_parse_mx_reply function parses the response to a query of type MX into a linked list of struct ares_mx_reply The parameters abuf and 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 mx_out. It is the caller's responsibility to free the resulting mx_out structure when it is no longer needed using the function ares_free_data(3).

The structure ares_mx_reply contains the following fields:

struct ares_mx_reply {
    struct ares_mx_reply *next;
    char *host;
    unsigned short priority;
};

 

RETURN VALUES

ares_parse_mx_reply can return any of the following values:

ARES_SUCCESS

The response was successfully parsed.

ARES_EBADRESP

The response was malformatted.

ARES_ENODATA

The response did not contain an answer to the query.

ARES_ENOMEM

Memory was exhausted.

 

AVAILABILITY

This function was first introduced in -ares version 1.7.2.  

SEE ALSO

ares_query(3) ares_free_data(3)

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Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUES

AVAILABILITY

SEE ALSO