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# dispatch_io_type_t

The type of a dispatch I/O channel.

```
typedef unsigned long dispatch_io_type_t;
```

## Topics

### I/O Access Type

[`DISPATCH_IO_STREAM`](/documentation/Dispatch/DISPATCH_IO_STREAM)

[`DISPATCH_IO_RANDOM`](/documentation/Dispatch/DISPATCH_IO_RANDOM)


---

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