---
title: sfntCMapExtendedSubHeader
framework: Core Text
role: symbol
role_heading: Structure
path: coretext/sfntcmapextendedsubheader
---

# sfntCMapExtendedSubHeader

## Declaration

```swift
struct sfntCMapExtendedSubHeader
```

## Topics

### Initializers

- [init()](coretext/sfntcmapextendedsubheader/init().md)
- [init(format:reserved:length:language:)](coretext/sfntcmapextendedsubheader/init(format:reserved:length:language:).md)

### Instance Properties

- [format](coretext/sfntcmapextendedsubheader/format.md)
- [language](coretext/sfntcmapextendedsubheader/language.md)
- [length](coretext/sfntcmapextendedsubheader/length.md)
- [reserved](coretext/sfntcmapextendedsubheader/reserved.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Structures

- [AnchorPoint](coretext/anchorpoint.md)
- [AnchorPointTable](coretext/anchorpointtable.md)
- [AnkrTable](coretext/ankrtable.md)
- [BslnFormat0Part](coretext/bslnformat0part.md)
- [BslnFormat1Part](coretext/bslnformat1part.md)
- [BslnFormat2Part](coretext/bslnformat2part.md)
- [BslnFormat3Part](coretext/bslnformat3part.md)
- [BslnFormatUnion](coretext/bslnformatunion.md)
- [BslnTable](coretext/bslntable.md)
- [FontVariation](coretext/fontvariation.md)
- [JustDirectionTable](coretext/justdirectiontable.md)
- [JustPCAction](coretext/justpcaction.md)
- [JustPCActionSubrecord](coretext/justpcactionsubrecord.md)
- [JustPCConditionalAddAction](coretext/justpcconditionaladdaction.md)
- [JustPCDecompositionAction](coretext/justpcdecompositionaction.md)