linuxÏÂsocketÆæ¹ÖÎÊÌ⣿

int main(int argc,char **argv)
{
  int listenfd,connfd;
  struct sockaddr_in servaddr,cliaddr;
  char buff[MAXLINE];
  time_t ticks;
socklen_t length = sizeof(cliaddr);

listenfd=socket(AF_INET,SOCK_STREAM,0);

bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family=AF_INET;
servaddr.sin_addr.s_addr=htonl(INADDR_ANY);
servaddr.sin_port=htons(13);

bind(listenfd,(SA*) &servaddr,sizeof(servaddr));

listen(listenfd,LISTENQ);

  for(; ;)
  {
 
  connfd=accept(listenfd,(SA*)&cliaddr,&length);
  printf("from client,IP:%s,Port:%d\n",inet_ntoa(cliaddr.sin_addr),ntohs(cliaddr.sin_port));
  strcpy(buff,"welcome connect");
 
  send(connfd,buff,sizeof(buff),0);
 
}
close(listenfd);
}
·þÎñÆ÷¶Ë´úÂë
int main(int argc,char **argv)
{
  int sockfd,n,i;
  struct sockaddr_in servaddr;
  char recvline[MAXLINE+1];
 
sockfd=socket(AF_INET,SOCK_STREAM,0);

bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family=AF_INET;
servaddr.sin_port=htons(13);

if(connect(sockfd,(SA*)&servaddr,sizeof(servaddr)) <0)
  printf("connect error\