__bt_stkacq
if (__bt_stkacq(t, &h, &t->bt_cursor))
static int __bt_stkacq __P((BTREE *, PAGE **, CURSOR *));
static int __bt_stkacq(BTREE *, PAGE **, CURSOR *);
if (__bt_stkacq(t, &h, &t->bt_cursor))