-#define HYSETLOG _IOW(i, 0x82, struct hylsetget)
-#define HYGETLOG _IOW(i, 0x83, struct hylsetget)
-#define HYGETELOG _IOW(i, 0x84, struct hylsetget)
+#define HYSETLOG _IOW('i', 0x82, struct hylsetget)
+#define HYGETLOG _IOW('i', 0x83, struct hylsetget)
+#define HYGETELOG _IOW('i', 0x84, struct hylsetget)