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/* leases.h */
#ifndef _LEASES_H
#define _LEASES_H
struct dhcpOfferedAddr {
u_int8_t chaddr[16];
u_int32_t yiaddr; /* network order */
u_int32_t expires; /* host order */
};
extern unsigned char blank_chaddr[];
void clear_lease(u_int8_t *chaddr, u_int32_t yiaddr);
struct dhcpOfferedAddr *add_lease(u_int8_t *chaddr, u_int32_t yiaddr, unsigned long lease);
int lease_expired(struct dhcpOfferedAddr *lease);
struct dhcpOfferedAddr *oldest_expired_lease(void);
struct dhcpOfferedAddr *find_lease_by_chaddr(u_int8_t *chaddr);
struct dhcpOfferedAddr *find_lease_by_yiaddr(u_int32_t yiaddr);
u_int32_t find_address(int check_expired);
int check_ip(u_int32_t addr);
#endif
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