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#ifndef _NF_NAT_RULE_H
#define _NF_NAT_RULE_H
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_nat.h>
#include <linux/netfilter_ipv4/ip_tables.h>

extern int nf_nat_rule_init(void) __init;
extern void nf_nat_rule_cleanup(void);
extern int nf_nat_rule_find(struct sk_buff **pskb,
			    unsigned int hooknum,
			    const struct net_device *in,
			    const struct net_device *out,
			    struct nf_conn *ct,
			    struct nf_nat_info *info);

extern unsigned int
alloc_null_binding(struct nf_conn *ct,
		   struct nf_nat_info *info,
		   unsigned int hooknum);

extern unsigned int
alloc_null_binding_confirmed(struct nf_conn *ct,
			     struct nf_nat_info *info,
			     unsigned int hooknum);
#endif /* _NF_NAT_RULE_H */