BAIL
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r, hiwater, sdata, buflen, driveids, id_size);
BAIL(r+3, hiwater, sdata, buflen, driveids, id_size);