bt_getlowbit
fd = bt_getlowbit(pcp->pc_bitmap, start, end);
j = bt_getlowbit(vect->rx_map, 0, (ixgbe->num_rx_rings - 1));
j = bt_getlowbit(vect->rx_map, (j + 1),
j = bt_getlowbit(vect->tx_map, 0, (ixgbe->num_tx_rings - 1));
j = bt_getlowbit(vect->tx_map, (j + 1),
r_idx = bt_getlowbit(vect->rx_map, 0, (ixgbe->num_rx_rings - 1));
r_idx = bt_getlowbit(vect->rx_map, (r_idx + 1),
r_idx = bt_getlowbit(vect->tx_map, 0, (ixgbe->num_tx_rings - 1));
r_idx = bt_getlowbit(vect->tx_map, (r_idx + 1),
r_idx = bt_getlowbit(vect->rx_map, 0,
r_idx = bt_getlowbit(vect->rx_map, (r_idx + 1),
r_idx = bt_getlowbit(vect->tx_map, 0,
r_idx = bt_getlowbit(vect->tx_map, (r_idx + 1),
extern int bt_getlowbit(const ulong_t *, size_t, size_t);
fd = bt_getlowbit(pcp->pc_bitmap, begin, end);