使用示例socket
**使用示例**
```int port = 9999;
char ip[] = "203.156.205.55";
int ret,fd;
char recv_buff[1024];
char send_buff[1024];
memset(send_buff, 0, sizeof(send_buff));
sprintf(send_buff, "Say hi~ from client");
if ((fd = webSocket_clientLinkToServer(ip, port, "/null",0) <= 0))
{
printf("client link to server failed !\r\n");
return ;
}else
{
printf("websocket connect success!\n");
}
webSocket_send(fd, send_buff, strlen(send_buff), true, WDT_TXTDATA);
printf("websocket send_buf:%s\n",send_buff);
memset(recv_buff, 0, sizeof(recv_buff));
ret = webSocket_recv(fd,recv_buff,sizeof(recv_buff) - 1,WDT_TXTDATA);
if (ret <= 0) {
printf("websocket: recv error: %d", ret);
}
printf("websocket recv_buf: %s,ret:%d\n",recv_buff,ret);
websocket_close(fd);
```