SALとは、関数が引数をどのように扱うかを示す注釈を定義したものです。
| カテゴリ | 引数の注釈 | 説明 |
|---|---|---|
| 呼び出された関数への入力 | _In_ | Data is passed to the called function, and is treated as read-only. |
| 呼び出された関数への入力と、呼び出し元への出力 | _Inout_ | Usable data is passed into the function and potentially is modified. |
| 呼び出し元への出力 | _Out_ | The caller only provides space for the called function to write to. The called function writes data into that space. |
| 呼び出し元へのポインタの出力 | _Outptr_ | Like Output to caller. The value that's returned by the called function is a pointer. |