mingw gcc window socket server

 #define MINGW32
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef MINGW32
#include <winsock2.h>
#else
#include <sys/socket.h>
#include <arpa/inet.h>
#endif

#define LISTENQ 10
#define SERVER_IP "192.168.1.103"

int main(int argc,char *argv[])
{
  int serverfd,connectfd;
  struct sockaddr_in serveraddr;
  char buff[1024];
 // time_t tlick;
  int iRet;
  int retVal;
  int         sClient;
 struct sockaddr_in addrClient;
  #ifdef MINGW32
  //Winsows下启用socket
  WSADATA wsadata;
  if(WSAStartup(MAKEWORD(1,1),&wsadata)==SOCKET_ERROR)
  {
    printf("WSAStartup() fail\n");
    exit(0);
  }
  #endif

  //新建socket
  printf("socket()\n");
  serverfd=socket(AF_INET,SOCK_STREAM,0);
  if(serverfd==-1)
  {
    printf("socket() fail\n");
    exit(0);
  }

  //清零
  memset(&serveraddr,0,sizeof(serveraddr));

  //设置协议
  serveraddr.sin_family=AF_INET;
  //设置IP
  serveraddr.sin_addr.s_addr=inet_addr(SERVER_IP);   //htonl(INADDR_ANY);
  //设置Port
  serveraddr.sin_port=htons(10240);


  //绑定端口，监听1024端口的任何请求
  printf("bind()\n");


  printf("%d ", inet_addr(SERVER_IP) );
  iRet=bind(serverfd,(struct sockaddr*)&serveraddr,sizeof(serveraddr));
  if(iRet==-1)
  {
    printf("bind() fail\n");
    exit(0);
  }


  //监听端口，最大并发数10
  printf("listen()\n");
  iRet=listen(serverfd,LISTENQ);
  if(iRet==-1)
  {
    printf("listen() fail\n");
    exit(0);
  }


  //接受请求，发送主机时间
  for(;;)
  {
    printf("Waiting for connection...\n");
    //接受请求
   // connectfd=accept(serverfd,(struct sockaddr*)NULL,NULL);

    int addrClientlen = sizeof(addrClient);

    sClient=accept(serverfd,(struct sockaddr FAR*)&addrClient, &addrClientlen);

  ZeroMemory(buff,1024);

    retVal = recv(sClient, buff, 1024, 0);

    printf("%s \n",buff);

    #ifdef MINGW32
    send(connectfd,buff,strlen(buff),0);
    closesocket(connectfd);
    #else
    write(connectfd,buff,strlen(buff));
    close(connectfd);
    #endif
  }


  #ifdef MINGW32
  //Winsows下关闭socket
  closesocket(serverfd);
  WSACleanup();
  #endif


  //退出
  exit(0);
}