void init_con(){
	sockad = socket(AF_INET,SOCK_STREAM,0);
	memset(&seraddr,0,sizeof(struct sockaddr_in));
	seraddr.sin_family = AF_INET;
	seraddr.sin_port = htons(8000);
	seraddr.sin_addr.s_addr = inet_addr("127.0.0.1");
	connect(sockad,(struct sockaddr *)&seraddr, sizeof(struct sockaddr));

}