/* dgread.c */

/* Read a datagram through a connection established by bind */

#define begin {
#define end   }

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

char buf[100];
struct hostent *hp;
struct hostent *gethostbyname();
struct sockaddr_in name;

main(argc, argv)
int argc;
char *argv[];
begin
   int i;
   unsigned char c;
   int sock;
   int netaddr;
   int status;

   sock = socket(PF_INET, SOCK_DGRAM, 0);
   if (sock < 0)
   begin
      printf("Socket create failed \n");
      exit(1);
   end

   printf("Socket id = %d \n", sock);
   hp = gethostbyname(argv[1]);
   if (hp == 0)
   begin
      printf("Host %s not found\n", argv[1]);
      exit(1);
   end

   bcopy((char *)hp->h_addr, (char *)&name.sin_addr, hp->h_length);
   name.sin_family = AF_INET;
   name.sin_port = htons(atoi(argv[2]));

   status = bind(sock, (struct sockaddr *)&name, sizeof(name));
   printf("Bind status = %d \n", status);
   if (status < 0)
     exit(1);

   read(sock, buf, sizeof(buf));
   printf("status = %d \n", status);
   printf("Msg = %s \n", buf);
end