#define CTL_CODE(Dev, Func, Meth, Acc) ( ((Dev)<<16) | ((Acc)<<14) | ((Func)<<2) | (Meth))
-#define DEVICE_TYPE_FROM_CTL_CODE(ctlCode) (((ULONG)(ctlCode&0xffff0000))>>16)
-#define IO_METHOD_FROM_CTL_CODE(ctlCode) (ctlCode&0x00000003)
+/*#define DEVICE_TYPE_FROM_CTL_CODE(ctlCode) (((ULONG)(ctlCode&0xffff0000))>>16) */
+/*#define IO_METHOD_FROM_CTL_CODE(ctlCode) (ctlCode&0x00000003) */
-// IOCTL Parameter buffering methods
+/* IOCTL Parameter buffering methods */
#define METHOD_BUFFERED 0
#define METHOD_IN_DIRECT 1
#define METHOD_OUT_DIRECT 2
#define METHOD_NEITHER 3
-// IOCTL File access type
+/* IOCTL File access type */
#define FILE_ANY_ACCESS 0
#define FILE_READ_ACCESS 1
#define FILE_WRITE_ACCESS 2