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


//#define MYPORT 3900 /*this port must not exist in /etc/services */
#define MYPORT 5432 /*this port must not exist in /etc/services */
main(int argc, char * argv[])
{
  int sd;
  char buf[256];

  struct servent	*sp;
  struct hostent	*hp;
  struct sockaddr_in	sin;

  sd = socket(AF_INET,SOCK_DGRAM,0); /* set up UDP socket */

  hp = gethostbyname(argv[1]);
  //hp = gethostbyname("coers6000.sdstate.edu");
  bzero((char *)&sin,sizeof(sin));
  bcopy(hp->h_addr,(char *)&sin.sin_addr,hp->h_length);
  sin.sin_port =htons(MYPORT);
  sin.sin_family = hp->h_addrtype;
  /*
  if (bind(sd, (struct sockaddr *) &sin, sizeof(sin)) == -1)   
      {  perror("server:bind"); close(sd);
        exit(1); 
     }

  */
  /* notice there is no connect call */
  sendto(sd,"Hello",5,0,(struct sockaddr *)&sin,sizeof(sin));
}