ACPI_IORT_ITS_GROUP
ACPI_IORT_ITS_GROUP *IortItsGroup = NULL;
Length = ACPI_OFFSET (ACPI_IORT_ITS_GROUP, Identifiers);
IortItsGroup = ACPI_ADD_PTR (ACPI_IORT_ITS_GROUP, IortNode, NodeOffset);
ACPI_IORT_ITS_GROUP *IortItsGroup;
IortItsGroup = ACPI_CAST_PTR (ACPI_IORT_ITS_GROUP, Subtable->Buffer);
#define ACPI_IORT0_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_IORT_ITS_GROUP,f)