Example: ping.c


... getopt parsing
... socket setup
... many setsockopt calls

+	if (options & F_NUMERIC) {
+		if (tame("stdio inet", NULL) == -1)
+			err(1, "tame");
+	} else {
+		if (tame("stdio inet dns", NULL) == -1)
+			err(1, "tame");
+	}

/* Unable to open/create in filesystem */