guess_biosgeom_from_parts
if (guess_biosgeom_from_parts(parts, &cyl, &head, &sec) >= 0
guess_biosgeom_from_parts(parts, &cyl, &head, &sec);
if (guess_biosgeom_from_parts(pm->parts, &cyl, &head, &sec) >= 0
if (guess_biosgeom_from_parts(parts, &cyl, &head, &sec) >= 0)
int guess_biosgeom_from_parts(struct disk_partitions*, int *, int *, int *);