Are these returned offsets, the offsets within the file of the 32k blocks containing matching blocks of null byte blocks? Or the offsets of the null byte blocks within the 32k blocks? Or the offset of null byte blocks within the file?
They would be the offsets of null byte blocks within the file.
What does it return in a scalar context if the first 32k block that contains a matching, qualifying block, contains more than one?
The offset, within the file, of the first qualifying block.
And as for that subroutine...well, I can't make head or tail out of most of it. Does it need to be that long? And why is the "state" necessary?
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