mime_fio_copy
{ MIME_TRANSFER_7BIT, mime_fio_copy, mime_fio_copy },
{ MIME_TRANSFER_8BIT, mime_fio_copy, mime_fio_copy },
{ MIME_TRANSFER_BINARY, mime_fio_copy, mime_fio_copy },
void mime_fio_copy(FILE *, FILE *, void *);
fn == mime_fio_copy)/* XXX - avoid an extra unnecessary pipe stage */