---
title: backtrace_pack
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 12.3+]
path: kernel/3917656-backtrace_pack
---

# backtrace_pack

## Declaration

```occ
size_t backtrace_pack(backtrace_pack_t packing, uint8_t *dst, size_t dst_size, const uintptr_t *src, unsigned int src_len);
```