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# HCHttpCallResponseSetResponseBodyBytes

> HCHttpCallResponseSetResponseBodyBytes

# HCHttpCallResponseSetResponseBodyBytes

设置 HTTP 调用的响应正文字节缓冲区。如果此前已通过 HCHttpCallResponseSetResponseBodyWriteFunction 在此调用句柄上设置了自定义写入回调，则此操作将失败，因为二者互斥。

## Syntax

```cpp theme={null}
HRESULT HCHttpCallResponseSetResponseBodyBytes(  
         HCCallHandle call,  
         const uint8_t* bodyBytes,  
         size_t bodySize  
)  
```

### Parameters

*call*   \_In\_\
Type: HCCallHandle

HTTP 调用的句柄。

*bodyBytes*   \_In\_reads\_bytes\_(bodySize)\
Type: uint8\_t\*

HTTP 调用的响应正文字节。

*bodySize*   \_In\_\
Type: size\_t

所设置正文的长度（以字节为单位）。

### Return value

Type: HRESULT

此 API 操作的结果代码。可能的值为 S\_OK、E\_INVALIDARG、E\_OUTOFMEMORY 或 E\_FAIL。

## Requirements

**Header:** httpProvider.h

**Library:** libHttpClient.GDK.lib

## See also

[httpProvider](/reference/live/httpclient/httpprovider/httpprovider_members)


## Related topics

- [HCMockResponseSetResponseBodyBytes](/zh-CN/reference/live/httpclient/mock/functions/hcmockresponsesetresponsebodybytes.md)
- [HCHttpCallResponseGetResponseBodyBytes](/zh-CN/reference/live/httpclient/httpclient/functions/hchttpcallresponsegetresponsebodybytes.md)
- [HCHttpCallResponseSetResponseBodyWriteFunction](/zh-CN/reference/live/httpclient/httpclient/functions/hchttpcallresponsesetresponsebodywritefunction.md)
- [HCHttpCallResponseAppendResponseBodyBytes](/zh-CN/reference/live/httpclient/httpprovider/functions/hchttpcallresponseappendresponsebodybytes.md)
- [HCHttpCallResponseGetResponseBodyBytesSize](/zh-CN/reference/live/httpclient/httpclient/functions/hchttpcallresponsegetresponsebodybytessize.md)