> Aztec.nr API reference, v6.0.0 (mainnet and testnet). Index: https://docs.aztec.network/aztec-nr-api/v6.0.0/llms.txt

# Function calldata_copy

Module: `noir_aztec::oracle::avm`

```rust
pub unconstrained fn calldata_copy<let N: u32>(
    cdoffset: u32,
    copy_size: u32,
) -> [Field; N]
```