/* from usbcamdi.h */ #define INITGUID #include DEFINE_GUID(GUID_USBCAMD_INTERFACE, 0x2bcb75c0, 0xb27f, 0x11d1, 0xba, 0x41, 0x0, 0xa0, 0xc9, 0xd, 0x2b, 0x5);