ACPI_WDAT_ENTRY
ACPI_WDAT_ENTRY *Subtable;
Subtable = ACPI_ADD_PTR (ACPI_WDAT_ENTRY, Table, Offset);
sizeof (ACPI_WDAT_ENTRY), AcpiDmTableInfoWdat0);
Offset += sizeof (ACPI_WDAT_ENTRY);
Subtable = ACPI_ADD_PTR (ACPI_WDAT_ENTRY, Subtable,
sizeof (ACPI_WDAT_ENTRY));
#define ACPI_WDAT0_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_WDAT_ENTRY,f)