---
title: STHeader
framework: Core Text
role: symbol
role_heading: Structure
path: coretext/stheader
---

# STHeader

## Declaration

```swift
struct STHeader
```

## Topics

### Initializers

- [init()](coretext/stheader/init().md)
- [init(filler:nClasses:classTableOffset:stateArrayOffset:entryTableOffset:)](coretext/stheader/init(filler:nclasses:classtableoffset:statearrayoffset:entrytableoffset:).md)

### Instance Properties

- [classTableOffset](coretext/stheader/classtableoffset.md)
- [entryTableOffset](coretext/stheader/entrytableoffset.md)
- [filler](coretext/stheader/filler.md)
- [nClasses](coretext/stheader/nclasses.md)
- [stateArrayOffset](coretext/stheader/statearrayoffset.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)