static ssize_t tulip_receive_nc(NetClientState *nc,
                             const uint8_t *buf, size_t size)
{
    return tulip_receive(qemu_get_nic_opaque(nc), buf, size);
}
static ssize_t tulip_receive_nc(NetClientState *nc,
                             const uint8_t *buf, size_t size)
{
    return tulip_receive(qemu_get_nic_opaque(nc), buf, size);
}