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/*
This file is part of GNUnet.
Copyright (C) 2012 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
*/
#ifndef NSS_GNS_QUERY_H
#define NSS_GNS_QUERY_H
/**
* Parts taken from nss-mdns
*/
#include <inttypes.h>
/* Maximum number of entries to return */
#define MAX_ENTRIES 16
typedef struct {
uint32_t address;
} ipv4_address_t;
typedef struct {
uint8_t address[16];
} ipv6_address_t;
struct userdata {
int count;
int data_len; /* only valid when doing reverse lookup */
union {
ipv4_address_t ipv4[MAX_ENTRIES];
ipv6_address_t ipv6[MAX_ENTRIES];
char *name[MAX_ENTRIES];
} data;
};
/**
* Wrapper function that uses gnunet-gns cli tool to resolve
* an IPv4/6 address.
*
* @param af address family
* @param name the name to resolve
* @param u the userdata (result struct)
* @return -1 on error else 0
*/
int gns_resolve_name(int af,
const char *name,
struct userdata *userdata);
#endif
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