# HostSystemSourceErrno

`import { HostSystemSourceErrno } from "destack:error";`

POSIX errno source payload.

```ds title="HostSystemSourceErrno"
export struct HostSystemSourceErrno {
    kind: "errno";
    value: int32;
    name: string;
}
```

[language/library/src/error/host.ds:209:216](https://github.com/destack-sh/destack/blob/main/language/library/src/error/host.ds#L209-L216)

## Members

### `kind: "errno"`

Discriminator for this system-source variant.

### `value: int32`

Numeric errno value.

### `name: string`

Optional symbolic errno name.