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# Macros

## Topics

### Macros

[`#define ATTRIBUTE_PACKED`](/documentation/AudioToolbox/ATTRIBUTE_PACKED)

[`var AUDIO_UNIT_VERSION: Int32`](/documentation/AudioToolbox/AUDIO_UNIT_VERSION)

[`#define AUGRAPH_DEPRECATED(macos_intro)`](/documentation/AudioToolbox/AUGRAPH_DEPRECATED)

[`#define AudioToolbox_AUAudioUnitImplementation_h`](/documentation/AudioToolbox/AudioToolbox_AUAudioUnitImplementation_h)

[`#define AudioToolbox_AUCocoaUIView_h`](/documentation/AudioToolbox/AudioToolbox_AUCocoaUIView_h)

[`#define AudioToolbox_AudioConverter_h`](/documentation/AudioToolbox/AudioToolbox_AudioConverter_h)

[`#define AudioToolbox_AudioFileComponent_h`](/documentation/AudioToolbox/AudioToolbox_AudioFileComponent_h)

[`#define AudioToolbox_AudioFileStream_h`](/documentation/AudioToolbox/AudioToolbox_AudioFileStream_h)

[`#define AudioToolbox_AudioFile_h`](/documentation/AudioToolbox/AudioToolbox_AudioFile_h)

[`#define AudioToolbox_AudioFormat_h`](/documentation/AudioToolbox/AudioToolbox_AudioFormat_h)

[`#define AudioToolbox_AudioUnitUtilities_h`](/documentation/AudioToolbox/AudioToolbox_AudioUnitUtilities_h)

[`#define AudioToolbox_AudioWorkInterval_h`](/documentation/AudioToolbox/AudioToolbox_AudioWorkInterval_h)

[`#define AudioToolbox_CAFFile_h`](/documentation/AudioToolbox/AudioToolbox_CAFFile_h)

[`#define AudioToolbox_CAShow_h`](/documentation/AudioToolbox/AudioToolbox_CAShow_h)

[`#define AudioToolbox_ExtendedAudioFile_h`](/documentation/AudioToolbox/AudioToolbox_ExtendedAudioFile_h)

[`#define AudioUnitDisplayTypeIsCubeRoot(flags)`](/documentation/AudioToolbox/AudioUnitDisplayTypeIsCubeRoot)

[`#define AudioUnitDisplayTypeIsCubed(flags)`](/documentation/AudioToolbox/AudioUnitDisplayTypeIsCubed)

[`#define AudioUnitDisplayTypeIsExponential(flags)`](/documentation/AudioToolbox/AudioUnitDisplayTypeIsExponential)

[`#define AudioUnitDisplayTypeIsLogarithmic(flags)`](/documentation/AudioToolbox/AudioUnitDisplayTypeIsLogarithmic)

[`#define AudioUnitDisplayTypeIsSquareRoot(flags)`](/documentation/AudioToolbox/AudioUnitDisplayTypeIsSquareRoot)

[`#define AudioUnitDisplayTypeIsSquared(flags)`](/documentation/AudioToolbox/AudioUnitDisplayTypeIsSquared)

[`#define AudioUnit_AudioOutputUnit_h`](/documentation/AudioToolbox/AudioUnit_AudioOutputUnit_h)

[`#define AudioUnit_AudioUnitParameters_h`](/documentation/AudioToolbox/AudioUnit_AudioUnitParameters_h)

[`#define AudioUnit_MusicDevice_h`](/documentation/AudioToolbox/AudioUnit_MusicDevice_h)

[`#define INTERAPP_AUDIO_DEPRECATED`](/documentation/AudioToolbox/INTERAPP_AUDIO_DEPRECATED)

[`#define NextCAFRegion(inCAFRegionPtr)`](/documentation/AudioToolbox/NextCAFRegion)

[`#define kCAFMarkerChunkHdrSize`](/documentation/AudioToolbox/kCAFMarkerChunkHdrSize)

[`#define kCAFRegionChunkHdrSize`](/documentation/AudioToolbox/kCAFRegionChunkHdrSize)


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