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I would like to write some basic disk scanner utility. Basically I would like to be able to read raw bytes of a certain file(s) as written to the disk in the way system’s disk utilities (like error checking and defragmentation in windows) do it. I would like to do it in C.
What should be my first steps? Obviously fopen is not enough.
Any guidance would be much appreciated (I don’t ask for a solution, just a bit of theory and push in a right direction as I don’t even know where to start from…).
The following resources might be of use: