---
title: sf_hdtr
framework: Kernel
role: symbol
platforms: [macOS 10.6+]
path: kernel/sf_hdtr
---

# sf_hdtr

## Declaration

```occ
struct sf_hdtr {
    ...
};
```

## Topics

### Instance Properties

- [hdr_cnt](kernel/sf_hdtr/1499395-hdr_cnt.md)
- [headers](kernel/sf_hdtr/1499252-headers.md)
- [trailers](kernel/sf_hdtr/1499335-trailers.md)
- [trl_cnt](kernel/sf_hdtr/1499417-trl_cnt.md)