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#ifndef _IP_NAT_RULE_H

#define _IP_NAT_RULE_H

#include <linux/netfilter_ipv4/ip_conntrack.h>

#include <linux/netfilter_ipv4/ip_tables.h>

#include <linux/netfilter_ipv4/ip_nat.h>

#ifdef __KERNEL__

extern int ip_nat_rule_init(void) __init;

extern void ip_nat_rule_cleanup(void);

extern int ip_nat_rule_find(struct sk_buff **pskb,

                            unsigned int hooknum,

                            const struct net_device *in,

                            const struct net_device *out,

                            struct ip_conntrack *ct,

                            struct ip_nat_info *info);

extern unsigned int

alloc_null_binding(struct ip_conntrack *conntrack,

                   struct ip_nat_info *info,

                   unsigned int hooknum);

#endif

#endif /* _IP_NAT_RULE_H */