- gethostname (hostname, 256);
- hostname[255] = '\0';
-
- hostent = gethostbyname (hostname);
- if (hostent && (domainname = strchr (hostent->h_name, '.')))
- domainname += 1;
- else
- domainname = "(none)";
-
- email = talloc_asprintf (ctx, "%s@%s.%s",
- username, hostname, domainname);