windows 下的vc6.0 如何 linux下进行udp通信 已测试

//Client端代码
#include
#include
#include
#include
#pragma comment(lib, "LIBCD.LIB"/*文件名或路径*/)
int initClient();
SOCKET s;
struct sockaddr_in sockSend;
struct sockaddr sockRecv;
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 initClient();
 return 0;
}
int initClient()
{
 int i;
 int error;
 int lenword=0;
 char buff[1024];
 WSADATA wsaData;
 error=WSAStartup(MAKEWORD(2,2),&wsaData);
 if(error!=0)
 {
  printf("初始化失败!\n");
  return -1;
 }
 if(LOBYTE(wsaData.wVersion)!=2 || HIBYTE(wsaData.wVersion)!=2)
 {
  WSACleanup();
  printf("版本出错!\n");
  return -1;
 }
 s=socket(AF_INET,SOCK_DGRAM,0);
 
 sockSend.sin_addr.S_un.S_addr=inet_addr("211.143.108.24");//服务器地址
 sockSend.sin_port=htons(9876);//服务器端口号
 sockSend.sin_family=AF_INET;
 
 strcpy(buff,"hello,it's the first!");
 i=5;
 while(1)
 {
  if(i<0)
   break;
  lenword=sendto(s,buff,strlen(buff)+1,0,(struct sockaddr*)&sockSend,sizeof(sockSend));
  i--;
 }
 closesocket(s);
 WSACleanup();
 return 0;
}