ACPI_VIOT_HEADER
#define ACPI_VIOTH_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_VIOT_HEADER,f)
ACPI_VIOT_HEADER Header;
ACPI_VIOT_HEADER Header;
ACPI_VIOT_HEADER Header;
ACPI_VIOT_HEADER Header;