---
title: readWrite
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/iofwpseudoaddressspace/1584061-readwrite
---

# readWrite

## Declaration

```occ
static IOFWPseudoAddressSpace * readWrite(FWAddress addr, UInt32 len, FWReadCallback reader, FWWriteCallback writer, void *refcon);
```