struct sadb_msg;
extern void pfkey_sadump __P((struct sadb_msg *));
extern void pfkey_spdump __P((struct sadb_msg *));
struct sockaddr;
struct sadb_alg;
int ipsec_check_keylen __P((u_int, u_int, u_int));
int ipsec_check_keylen2 __P((u_int, u_int, u_int));
int ipsec_get_keylen __P((u_int, u_int, struct sadb_alg *));
u_int pfkey_set_softrate __P((u_int, u_int));
u_int pfkey_get_softrate __P((u_int));
int pfkey_send_getspi __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int32_t, u_int32_t));
int pfkey_send_update __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int,
caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
u_int64_t, u_int64_t, u_int32_t));
int pfkey_send_add __P((int, u_int, u_int, struct sockaddr *,
struct sockaddr *, u_int32_t, u_int32_t, u_int,
caddr_t, u_int, u_int, u_int, u_int, u_int, u_int32_t, u_int64_t,
u_int64_t, u_int64_t, u_int32_t));
int pfkey_send_delete __P((int, u_int, u_int,
struct sockaddr *, struct sockaddr *, u_int32_t));
int pfkey_send_delete_all __P((int, u_int, u_int,
struct sockaddr *, struct sockaddr *));
int pfkey_send_get __P((int, u_int, u_int,
struct sockaddr *, struct sockaddr *, u_int32_t));
int pfkey_send_register __P((int, u_int));
int pfkey_recv_register __P((int));
int pfkey_set_supported __P((struct sadb_msg *, int));
int pfkey_send_flush __P((int, u_int));
int pfkey_send_dump __P((int, u_int));
int pfkey_send_promisc_toggle __P((int, int));
int pfkey_send_spdadd __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spdadd2 __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t,
caddr_t, int, u_int32_t));
int pfkey_send_spdupdate __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spdupdate2 __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, u_int64_t, u_int64_t,
caddr_t, int, u_int32_t));
int pfkey_send_spddelete __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spddelete2 __P((int, u_int32_t));
int pfkey_send_spdget __P((int, u_int32_t));
int pfkey_send_spdsetidx __P((int, struct sockaddr *, u_int,
struct sockaddr *, u_int, u_int, caddr_t, int, u_int32_t));
int pfkey_send_spdflush __P((int));
int pfkey_send_spddump __P((int));
int pfkey_open __P((void));
void pfkey_close __P((int));
struct sadb_msg *pfkey_recv __P((int));
int pfkey_send __P((int, struct sadb_msg *, int));
int pfkey_align __P((struct sadb_msg *, caddr_t *));
int pfkey_check __P((caddr_t *));