---
title: backtrace_user_copy_error
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 12.0+]
path: kernel/3786099-backtrace_user_copy_error
---

# backtrace_user_copy_error

## Declaration

```occ
errno_t backtrace_user_copy_error(void *ctx, void *dst, user_addr_t src, size_t size);
```