dos_partition
struct dos_partition *dp;
dp = (struct dos_partition *)(buf + DOSPARTOFF);
struct dos_partition *dp;
dp = malloc(NDOSPART * sizeof (struct dos_partition));
bcopy(buf + DOSPARTOFF, dp, NDOSPART * sizeof (struct dos_partition));
CTASSERT(sizeof (struct dos_partition) == DOSPARTSIZE);
void dos_partition_dec(void const *pp, struct dos_partition *d);
void dos_partition_enc(void *pp, struct dos_partition *d);