getdatablk
bp = getdatablk((daddr_t)(block + part_start), fsbsize);
static struct bufarea *getdatablk(daddr_t, long);
pdirbp = getdatablk(blkno, size);
bp[1] = getdatablk(newblk[1], (size_t)sblock.fs_bsize);
bp[1] = getdatablk(dp->di_ib[0], (size_t)sblock.fs_bsize);
struct bufarea *getdatablk(daddr32_t, size_t size);
bp = getdatablk(idesc->id_blkno, (size_t)sblock.fs_bsize);
pbp = getdatablk(iblk, (size_t)sblock.fs_bsize);
bp = getdatablk(idesc->id_blkno, bsize);
bp = getdatablk(logbtofrag(&sblock, sblock.fs_logbno),
bp = getdatablk(selected, size);