HME_FSTBYTE_OFFSET
i |= (HME_FSTBYTE_OFFSET << HMER_CONFIG_FBO_SHIFT)
if ((bp = allocb(len + HME_FSTBYTE_OFFSET, BPRI_HI)) == NULL) {
bcopy(rbuf->kaddr, bp->b_rptr, len + HME_FSTBYTE_OFFSET);
bp->b_rptr += HME_FSTBYTE_OFFSET;