U0 RawAccess(I64 drv_let=0)
{
CDrv *dv=Let2Drv(drv_let);
CBlkDev *bd=Let2BlkDev(drv_let);
I64 blk,old_offset,old_size;
U8 *buf=MAlloc(BLK_SIZE);
DrvRep;
PressAKey;
ClassRep(dv);
PressAKey;
ClassRep(bd);
PressAKey;
//Temporarily change partition range to full device.
//Normally, you are limited to just your partition.
//This is obviously dangerous!
old_offset=dv->drv_offset;
old_size =dv->size;
dv->drv_offset=0;
dv->size=bd->max_blk+1;
try {
blk=GetI64("Blk to Read: ",old_offset,0,bd->max_blk);
BlkRead(dv,buf,blk,1);
D(buf,BLK_SIZE);
} catch
PutExcept;
dv->drv_offset=old_offset;
dv->size =old_size;
Free(buf);
}
RawAccess;
//See BlkRead(), BlkWrite(), DrvLock(), DrvUnlock()
//DBlk(), DClus(), BlkDevLock() and BlkDevUnlock().