next_addr
while ((addr = next_addr()) >= 0) {
if ((addr = next_addr()) < 0)
static int next_addr(void);
if ((ret->next_addr = __find_last_page(hashp, &big_keyp))) {
__get_buf(hashp, ret->next_addr, big_keyp, 0)))
u_int16_t next_addr;