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// SPDX-License-Identifier: GPL-2.0-or-later
/* Netlink helpers for zbuf
* Copyright (c) 2014-2015 Timo Teräs
*/
#include "zbuf.h"
#define ZNL_BUFFER_SIZE 8192
void *znl_push(struct zbuf *zb, size_t n);
void *znl_pull(struct zbuf *zb, size_t n);
struct nlmsghdr *znl_nlmsg_push(struct zbuf *zb, uint16_t type, uint16_t flags);
void znl_nlmsg_complete(struct zbuf *zb, struct nlmsghdr *n);
struct nlmsghdr *znl_nlmsg_pull(struct zbuf *zb, struct zbuf *payload);
struct rtattr *znl_rta_push(struct zbuf *zb, uint16_t type, const void *val,
size_t len);
struct rtattr *znl_rta_push_u32(struct zbuf *zb, uint16_t type, uint32_t val);
struct rtattr *znl_rta_nested_push(struct zbuf *zb, uint16_t type);
void znl_rta_nested_complete(struct zbuf *zb, struct rtattr *rta);
struct rtattr *znl_rta_pull(struct zbuf *zb, struct zbuf *payload);
int znl_open(int protocol, int groups);
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