---
title: AudioFileComponentReadBytesProc
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/audiofilecomponentreadbytesproc
---

# AudioFileComponentReadBytesProc

## Declaration

```swift
typealias AudioFileComponentReadBytesProc = (UnsafeMutableRawPointer, DarwinBoolean, Int64, UnsafeMutablePointer<UInt32>, UnsafeMutableRawPointer) -> OSStatus
```

## See Also

### Reading and Writing Data

- [AudioFileComponentReadBytes(_:_:_:_:_:)](audiotoolbox/audiofilecomponentreadbytes(_:_:_:_:_:).md)
- [AudioFileComponentReadPacketData(_:_:_:_:_:_:_:)](audiotoolbox/audiofilecomponentreadpacketdata(_:_:_:_:_:_:_:).md)
- [AudioFileComponentReadPackets(_:_:_:_:_:_:_:)](audiotoolbox/audiofilecomponentreadpackets(_:_:_:_:_:_:_:).md)
- [AudioFileComponentWriteBytes(_:_:_:_:_:)](audiotoolbox/audiofilecomponentwritebytes(_:_:_:_:_:).md)
- [AudioFileComponentWritePackets(_:_:_:_:_:_:_:)](audiotoolbox/audiofilecomponentwritepackets(_:_:_:_:_:_:_:).md)
- [AudioFileComponentReadPacketDataProc](audiotoolbox/audiofilecomponentreadpacketdataproc.md)
- [AudioFileComponentReadPacketsProc](audiotoolbox/audiofilecomponentreadpacketsproc.md)
- [AudioFileComponentWriteBytesProc](audiotoolbox/audiofilecomponentwritebytesproc.md)
- [AudioFileComponentWritePacketsProc](audiotoolbox/audiofilecomponentwritepacketsproc.md)