这里指针为什么不能强制转换呢，请大家诊断诊断啊
#include <stdio.h>#include <iostream>#include <winsock2.h>#include <string.h>#pragma comment(lib,"wsock32.lib")using namespace std;typedef BYTE near *PBYTE;typedef unsigned char BYTE;#define MAXIMUMPACKAGESIZE 512int m_nUsed;BYTE m_Buffer[MAXIMUMPACKAGESIZE];AddData(BYTE data);AddData(UINT data);AddData(const BYTE *const pData, UINT nSize);int main(){ WORD version = MAKEWORD(1,1); WSADATA wsaData; SOCKET clientSock; int err = WSAStartup(version, &wsaData); if (err != 0) { cout << "load Winsock lib error!Error："<< GetLastError()<<endl; return -1; } else { cout << "load Winsock lib success----"<< endl; } clientSock = socket(AF_INET, SOCK_STREAM, 0); SOCKADDR_IN addrSrv; addrSrv.sin_family = AF_INET; addrSrv.sin_addr.S_un.S_addr= inet_addr("121.248.206.142"); addrSrv.sin_port = htons(999); memset(addrSrv.sin_zero,0,8); if (connect(clientSock,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR)) == SOCKET_ERROR) { cout << "build connection failded!\n"; cout << "Error：" << WSAGetLastError() << endl; return -1; } char sendtxt[] = {"helloworld"}; UINT txtLength = strlen(sendtxt); UINT Length = strlen(sendtxt); Length +=4; // add for store strlen: int Length++;// for TYPE BYTE Type = 0; AddData(Length); AddData(Type); AddData((PBYTE)sendtxt, txtLength); BYTE nullTerm='\0'; AddData(nullTerm); WSABUF m_wsabuf; m_wsabuf.buf = reinterpret_cast<char*>(m_Buffer); m_wsabuf.len = m_nUsed; if(send(clientSock, const_cast<WSABUF*>(&m_wsabuf), m_nUsed, 0) == SOCKET_ERROR); { cout << "send faild~ ERROR: "<< GetLastError() <<endl; } closesocket(clientSock); WSACleanup();}AddData(const BYTE *const pData, UINT nSize){ if ( nSize > MAXIMUMPACKAGESIZE-m_nUsed ) return FALSE; else { memcpy(m_Buffer + m_nUsed, pData, nSize); m_nUsed += nSize; return TRUE; }}AddData(UINT data){ return AddData(reinterpret_cast<const BYTE*>(&data), sizeof(UINT));}AddData(BYTE data){ return AddData(&data, 1);}