hash2
static uint32_t hash2(const void *, size_t) __attribute__((__unused__));
uint32_t dmiss, dcmp, hash1, hash2;
st->dmiss,st->dcmp,st->hash1,st->hash2,
h = hash2(0, s, NULL);
h = hash2(0, nam1, nam2);
h = hash2(0, name1, name2);
h = hash2(0, nam1, nam2);
static inline u_int hash2(u_int, const char *, const char *);