struct secasvar **sav);
extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t,
u_int, u_int32_t);
+struct secasvar *
+key_allocsa_extended(u_int family, caddr_t src, caddr_t dst,
+ u_int proto, u_int32_t spi, ifnet_t interface);
extern u_int16_t key_natt_get_translated_port(struct secasvar *);
extern void key_freesp(struct secpolicy *, int);
extern void key_freesav(struct secasvar *, int);