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ÀûÓÃsocket±àдwindowsºÍlinuxͨѶ³ÌÐò
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/**********************************/
/* it worked as server under windows platform */
/* written by mlsx 1998-2-7                     */
/************************************/
include <windows.h>
#include <stdio.h>
#pragma comment (lib,"WS2_32.lib")
#define USERPORT 10001
#define HOST_IP_ADDR "127.0.0.1"
main(int argc,char *argv[])
{
char buf[128];
SOCKET s,ns;
struct sockaddr_in client;
struct sockaddr_in server;
int namelen,pklen;
int status;
WSADATA wsd;
if((status=WSAStartup(MAKEWORD(2,2),&wsd))!=0)
{
  perror("wsastartup() failed:");
   exit(1);
}
if((s=socket(AF_INET,SOCK_STREAM,0))< 0)
{
  perror("socket failed :");
  exit(1);
}
ZeroMemory(&server,sizeof(server));
server.sin_family=AF_INET;
server.sin_port=htons(USERPORT);
server.sin_addr.s_addr=htons(INADDR_ANY);
if(bind(s,(struct sockaddr *)&server,sizeof(server))<0)
{
  perror("bind() failed:");
  exit(2);
}
if(listen(s,4)!=0)
{
  perror("listen()failed :");
  exit(3);
}
while(1)
{
namelen=sizeof(client);
if((ns=accept(s,(struct sockaddr*)&client,&namelen))==-1)
{
  perror("accept()failed:");
  exit(4);
}
printf("accept successful");
for(;;)
{
  if((pklen=recv(ns,buf,128,0))<0)
  {
   perror("recv() failed:");
   exit(5);
  }
  else
   if(pklen==0)
   {
    printf("recv():return FAILED,connected is shut down");
    


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