---
title: backtrace_unpack
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 12.3+]
path: kernel/3917661-backtrace_unpack
---

# backtrace_unpack

## Declaration

```occ
unsigned int backtrace_unpack(backtrace_pack_t packing, uintptr_t *dst, unsigned int dst_len, const uint8_t *src, size_t src_size);
```