 
 extension UInt8 {
     
-    func int8() -> Int8 {
+    public func int8() -> Int8 {
         
         if self > 127 {
             

     
     - parameter block: 读取到的结果; data:读取到的数据;    code:recv()函数的返回值
     */
    func recvData(block: (data: NSData?, code: Int)->Void) -> Void {
        
        dispatch_async(CCHSocketQueue.concurrent_queue, {
            

     
     - returns: CCHSocket
     */
    public init (socketId: Int32, connectType:SocketConnectType) {
        
        socket_id = socketId
        TYPE = connectType
