Function OH_Http_Request 

pub unsafe extern "C" fn OH_Http_Request(
    request: *mut Http_Request,
    callback: Http_ResponseCallback,
    handler: Http_EventsHandler,
) -> c_int

Available on crate features api-11 and api-20 only.

Initiates an HTTP request.

Arguments

• request - Pointer to Http_Request.

• callback - Http response info, pointer to Http_ResponseCallback

• handler - Callbacks to watch different events, pointer to Http_EventsHandler.

Returns

• 0 if success; non-0 otherwise. For details about error codes, see Http_ErrCode. ohos.permission.INTERNET

Required System Capabilities: SystemCapability.Communication.NetStack

Available since API-level: 20