---
title: copyin
framework: kernel
role: symbol
role_heading: Function
path: kernel/1441036-copyin
---

# copyin

## Declaration

```occ
int copyin(const user_addr_t uaddr, void *kaddr, size_t len);
```

## See Also

### copyio

- [copyinstr](kernel/1441071-copyinstr.md)
- [copyout](kernel/1441088-copyout.md)
- [copyoutstr](kernel/1441047-copyoutstr.md)
- [copystr](kernel/1441079-copystr.md)