#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sstream>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#define SIZE 1024
char buf[SIZE];

#define TIME_PORT 19005

int main(int argc, 
         char *argv[])
{
  int sockfd;
  int nread;
  struct sockaddr_in serv_addr;
  struct hostent *host;

  if (argc != 2) {
    fprintf(stderr,
        "usage: %s IPaddr\n",
        argv[0]);
    exit(1);
  }

  /* create endpoint */
  if ((sockfd =
       socket(AF_INET,
              SOCK_STREAM, 0))
      < 0) {
    perror(NULL);
    exit(2);
  }

  /* connect to server */
  serv_addr.sin_family =
            AF_INET;
  host = gethostbyname(argv[1]);
  memcpy(&serv_addr.sin_addr.s_addr, host->h_addr, host->h_length);
  serv_addr.sin_port =
            htons(TIME_PORT);
  if (connect(sockfd,
             (struct sockaddr *) &serv_addr,
             sizeof(serv_addr))
      < 0) {
    perror(NULL);
    exit(3);
  }

  /* transfer data */
  nread = read(sockfd, buf, 
               SIZE);
  write(1, buf, nread);
  close(sockfd);
  exit(0);
}