ares_parse_ptr_reply (3) Linux Manual Page
NAME
ares_parse_ptr_reply – Parse a reply to a DNS query of type PTR into a hostent
SYNOPSIS
#include <ares.h>
int ares_parse_ptr_reply(const unsigned char *abuf, int alen,
const void *addr, int addrlen, int family,
DESCRIPTION
The ares_parse_ptr_reply function parses the response to a query of type PTR into a struct hostent. The parameters abuf and alen give the contents of the response. The parameters addr, addrlen, and family specify which address was queried for; they are not used to verify the response, merely used to fill in the address of the struct hostent. The resulting struct hostent is stored in allocated memory and a pointer to it stored into the variable pointed to by host. It is the caller’s responsibility to free the resulting host structure using ares_free_hostent(3) when it is no longer needed.
RETURN VALUES
ares_parse_ptr_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.
SEE ALSO
ares_gethostbyaddr(3), ares_free_hostent(3)
AUTHOR
Greg Hudson, MIT Information Systems
Copyright 1998 by the Massachusetts Institute of Technology.