/* from ntddser.h */

#define INITGUID
#include <basetyps.h>

#define GUID_CLASS_COMPORT GUID_DEVINTERFACE_COMPORT
#define GUID_SERENUM_BUS_ENUMERATOR GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR

DEFINE_GUID(GUID_DEVINTERFACE_COMPORT, 0x86e0d1e0L, 0x8089, 0x11d0, 0x9c, 0xe4, 0x08, 0x00, 0x3e, 0x30, 0x1f, 0x73);
DEFINE_GUID(GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR, 0x4D36E978L, 0xE325, 0x11CE, 0xBF, 0xC1, 0x08, 0x00, 0x2B, 0xE1, 0x03, 0x18);