ARES_PARSE_A_REPLY - Online Linux Manual PageSection : 3
Updated : 25 July 1998

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NAMEares_parse_a_reply − Parse a reply to a DNS query of type A

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SYNOPSIS#include <ares.h>int ares_parse_a_reply(const unsigned char *abuf, int alen, struct hostent **host, struct ares_addrttl *addrttls, int *naddrttls);

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DESCRIPTIONThe ares_parse_a_reply function parses the response to a query of type A into a struct hostent and/or an array of struct ares_addrttls. 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 host, if host is nonnull. It is the caller's responsibility to free the resulting host structure using ares_free_hostent(3) when it is no longer needed. If addrttls and naddrttls are both nonnull, then up to *naddrttls struct ares_addrttl records are stored in the array pointed to by addrttls, and then *naddrttls is set to the number of records so stored. Note that the memory for these records is supplied by the caller.

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RETURN VALUESares_parse_a_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.

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SEE ALSOares_gethostbyname(3), ares_free_hostent(3)

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AUTHORGreg Hudson, MIT Information Systems
Andrew Selivanov <andrew.selivanov@gmail.com>
Copyright 1998 by the Massachusetts Institute of Technology. 0

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Johanes Gumabo

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