sadb_spirange
len += sizeof(struct sadb_spirange);
struct sadb_spirange spirange;
struct sadb_spirange spirange;
u_int slen = sizeof(struct sadb_spirange);
sizeof(struct sadb_spirange), /* SADB_EXT_SPIRANGE */
sizeof(struct sadb_spirange), /* SADB_EXT_SPIRANGE */
key_do_getnewspi(const struct sadb_spirange *spirange,
static u_int32_t key_do_getnewspi (const struct sadb_spirange *,