bt_broot
bt_rroot(t, sp, l, r) : bt_broot(t, sp, l, r)) == RET_ERROR)
bt_rroot(t, sp, l, r) : bt_broot(t, sp, l, r)) == RET_ERROR)
static int bt_broot __P((BTREE *, PAGE *, PAGE *, PAGE *));
bt_rroot(t, sp, l, r) : bt_broot(t, sp, l, r)) == RET_ERROR)
bt_rroot(t, sp, l, r) : bt_broot(t, sp, l, r)) == RET_ERROR)
static int bt_broot(BTREE *, PAGE *, PAGE *, PAGE *);