UHASH
for (hp = duhashtbl, i = 0; i != UHASH; i++) {
for (i = 0; i != UHASH; i++) {
#define HASH(u) ((uint_t)(u) % UHASH)
static struct du *duhashtbl[UHASH];
for (up = uhead[uid % UHASH]; up != 0; up = up->u_next)
uhp = &uhead[uid % UHASH];
static struct username *uhead[UHASH];