> For the complete documentation index, see [llms.txt](https://aup.nomi.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aup.nomi.dev/built-in/c.md).

# C

C standard wrapper module

## Usage

```rust
use C
```

Example

```go
var ptr = C.malloc(16)
C.free(ptr)
```

{% content-ref url="/pages/-MYrOGZuDMBdU9jU76GN" %}
[APIs](/built-in/c/apis.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MYrWE58YimR4goBETxG" %}
[Constants](/built-in/c/constants.md)
{% endcontent-ref %}