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# HCWebSocketGetNumHeaders

> HCWebSocketGetNumHeaders

# HCWebSocketGetNumHeaders

取得 WebSocket 中的標頭數目。

## 語法

```cpp theme={null}
HRESULT HCWebSocketGetNumHeaders(  
         HCWebsocketHandle websocket,  
         uint32_t* numHeaders  
)  
```

### 參數

*websocket*   \_In\_\
類型：HCWebsocketHandle

WebSocket 的控制代碼。

*numHeaders*   \_Out\_\
類型：uint32\_t\*

WebSocket 中的標頭數目。

### 傳回值

類型：HRESULT

此 API 作業的結果代碼。可能的值為 S\_OK、E\_INVALIDARG 或 E\_FAIL。

## 需求

**標頭：** httpProvider.h

**程式庫：** libHttpClient.GDK.lib

## 另請參閱

[httpProvider](/zh-TW/reference/live/httpclient/httpprovider/httpprovider_members)


## Related topics

- [HCWebSocketGetHeaderAtIndex](/zh-TW/reference/live/httpclient/httpprovider/functions/hcwebsocketgetheaderatindex.md)
- [HCWebSocketGetHeader](/zh-TW/reference/live/httpclient/httpprovider/functions/hcwebsocketgetheader.md)
- [GDK 中的 HTTP 和 WebSocket Web 要求](/zh-TW/build/console-features/networking/web-requests/http-networking.md)
- [HCWebSocketSetHeader](/zh-TW/reference/live/httpclient/httpclient/functions/hcwebsocketsetheader.md)
- [HCWebSocketCreate](/zh-TW/reference/live/httpclient/httpclient/functions/hcwebsocketcreate.md)