* fd = net_connect(addr);
* if (fd < 0)
* err(1, "Failed to connect to %s", dest);
* fd = net_connect(addr);
* if (fd < 0)
* err(1, "Failed to connect to %s", dest);
*
* if (getsockname(fd, &u.s, &slen) == 0)
* printf("Connected via %s\n",
*
* if (getsockname(fd, &u.s, &slen) == 0)
* printf("Connected via %s\n",