Rewrite examples - client (before)

struct hostent *hp;
int i, s;
struct sockaddr_in sin;

s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
hp = gethostbyname("www.kame.net");
for (i = 0; hp->h_addr_list[i]; i++) {
   memset(&sin, 0, sizeof(sin));
   sin.sin_family = AF_INET;
   sin.sin_len = sizeof(sin);
   sin.sin_port = htons(80);
   memcpy(&sin.sin_addr, hp->h_addr_list[i],
      hp->h_length);
   if (connect(s, &sin, sizeof(sin)) < 0)
      continue;
   break;
}