---
title: sadb_comb_hard_bytes
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.6+]
path: kernel/sadb_comb/1588289-sadb_comb_hard_bytes
---

# sadb_comb_hard_bytes

## Declaration

```occ
u_int64_t sadb_comb_hard_bytes;
```