---
title: contains
framework: kernel
role: pseudoSymbol
path: kernel/iofwpseudoaddressspace/1813836-contains
---

# contains

returns number of bytes starting at addr in this space

## Declaration

```occ
virtual UInt32 contains(
 FWAddress addr); 
```

## Return Value

Return Value 0 if it doesn't contain the address

## See Also

### Miscellaneous

- [doRead](kernel/iofwpseudoaddressspace/1813839-doread.md)
- [doWrite](kernel/iofwpseudoaddressspace/1813844-dowrite.md)
- [initAll](kernel/iofwpseudoaddressspace/1813848-initall.md)
- [initFixed](kernel/iofwpseudoaddressspace/1813852-initfixed.md)
- [setARxReqIntCompleteHandler](kernel/iofwpseudoaddressspace/1813855-setarxreqintcompletehandler.md)
- [simpleRead](kernel/iofwpseudoaddressspace/1813859-simpleread.md)
- [simpleReader](kernel/iofwpseudoaddressspace/1813862-simplereader.md)
- [simpleReadFixed](kernel/iofwpseudoaddressspace/1813866-simplereadfixed.md)
- [simpleRW(IOFireWireBus *, FWAddress *, IOMemoryDescriptor *)](kernel/iofwpseudoaddressspace/1813868-simplerw.md)
- [simpleRW(IOFireWireBus *, FWAddress *, UInt32, void *)](kernel/iofwpseudoaddressspace/1813871-simplerw.md)
- [simpleRWFixed](kernel/iofwpseudoaddressspace/1813874-simplerwfixed.md)
- [simpleWriter](kernel/iofwpseudoaddressspace/1813878-simplewriter.md)