#define _ARRAYLEN(p) (sizeof(p)/sizeof(p[0]))
#define _KEYLEN(key) ((u_int)((key)->sadb_key_bits >> 3))
#define _KEYBITS(key) ((u_int)((key)->sadb_key_bits))
#define _KEYBUF(key) ((caddr_t)((caddr_t)(key) + sizeof(struct sadb_key)))
#define _ARRAYLEN(p) (sizeof(p)/sizeof(p[0]))
#define _KEYLEN(key) ((u_int)((key)->sadb_key_bits >> 3))
#define _KEYBITS(key) ((u_int)((key)->sadb_key_bits))
#define _KEYBUF(key) ((caddr_t)((caddr_t)(key) + sizeof(struct sadb_key)))