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# process(readingFrom:writingTo:)

Processes data between two byte streams.

```
static func process(readingFrom input: ArchiveByteStream, writingTo output: ArchiveByteStream) throws -> Int64
```

## Parameters

`input`

The input stream.

`output`

The output stream.

## Return Value

The number of processed bytes.

## Discussion

This function reads data from `input` and writes it to `output` until it reaches end-of-file (EOF).

---

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