BTDATAOFF
pleaf *= t->bt_psize - BTDATAOFF;
pinternal *= t->bt_psize - BTDATAOFF;
pg->lower = BTDATAOFF;
temp = (t->bt_psize - BTDATAOFF) / b.minkeypage -
root->lower = BTDATAOFF;
temp = t->bt_psize - BTDATAOFF;
memmove(p, (char *)(void *)h + BTDATAOFF, nb);
temp = t->bt_psize - BTDATAOFF;
(void)memmove((char *)(void *)h + BTDATAOFF, p, (size_t)nb);
temp = t->bt_psize - BTDATAOFF;
r->lower = BTDATAOFF;
r->lower = BTDATAOFF + sizeof(indx_t);
l->lower = BTDATAOFF;
l->lower = r->lower = BTDATAOFF;
h->lower = BTDATAOFF + 2 * sizeof(indx_t);
h->lower = BTDATAOFF + 2 * sizeof(indx_t);
temp = t->bt_psize - BTDATAOFF;
#define _NEXTINDEX(p) (((p)->lower - BTDATAOFF) / sizeof(indx_t))