# `sWriteKey`

*Function*

## Declaration

```swift
func sWriteKey(_ buffer: UnsafeMutablePointer<CChar>, _ key: UnsafePointer<CChar>) -> Int
```

```objc
size_t sWriteKey(char *buffer, const char *key);
```

```python
sWriteKey(buffer: str, key: str) -> int
```

## See Also

### Keys and Strings

- [`writeKey`](/Core/GlyphsCore/writeKey)
- [`writeKeyString`](/Core/GlyphsCore/writeKeyString)
- [`writeStringEscape`](/Core/GlyphsCore/writeStringEscape)
- [`sWriteStringEscape`](/Core/GlyphsCore/sWriteStringEscape)
- [`writeKeyValueString`](/Core/GlyphsCore/writeKeyValueString)
- [`writeKeyValueStringEscape`](/Core/GlyphsCore/writeKeyValueStringEscape)
- [`writeKeyValueStringSimple`](/Core/GlyphsCore/writeKeyValueStringSimple)