AUDIO_AU_HOST2FILE
AUDIO_AU_HOST2FILE(&magic, &fhdr.au_magic);
AUDIO_AU_HOST2FILE(&offset, &fhdr.au_offset);
AUDIO_AU_HOST2FILE(&hdrp->data_size, &fhdr.au_data_size);
AUDIO_AU_HOST2FILE(&encoding, &fhdr.au_encoding);
AUDIO_AU_HOST2FILE(&hdrp->sample_rate, &fhdr.au_sample_rate);
AUDIO_AU_HOST2FILE(&hdrp->channels, &fhdr.au_channels);
AUDIO_AU_HOST2FILE(&size, &data);