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Man Pages


Manual Reference Pages  -  ARES_PARSE_TXT_REPLY (3)

NAME

ares_parse_txt_reply - Parse a reply to a DNS query of type TXT

CONTENTS

Synopsis
Description
Return Values
Availability
See Also
Author

SYNOPSIS


#include <ares.h> 

int ares_parse_txt_reply(const unsigned char* abuf, int alen, struct ares_txt_reply **txt_out);

DESCRIPTION

The ares_parse_txt_reply function parses the response to a query of type TXT into a linked list (one element per sub-string) of struct ares_txt_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 txt_out. It is the caller’s responsibility to free the resulting txt_out structure when it is no longer needed using the function ares_free_data

The structure ares_txt_reply contains the following fields:

struct ares_txt_reply {
  struct ares_txt_reply  *next;
  unsigned int  length;
  unsigned char *txt;
};

RETURN VALUES

ares_parse_txt_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 c-ares version 1.7.0.

SEE ALSO

ares_query(3) ares_free_data(3)

AUTHOR

Written by Jakub Hrozek <jhrozek@redhat.com>, on behalf of Red Hat, Inc http://www.redhat.com

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--> ARES_PARSE_TXT_REPLY (3) 27 October 2009

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