ACPI_LPIT_HEADER
ACPI_LPIT_HEADER *Subtable;
Subtable = ACPI_ADD_PTR (ACPI_LPIT_HEADER, Table, Offset);
sizeof (ACPI_LPIT_HEADER), AcpiDmTableInfoLpitHdr);
Subtable = ACPI_ADD_PTR (ACPI_LPIT_HEADER, Subtable, SubtableLength);
ACPI_LPIT_HEADER *LpitHeader;
LpitHeader = ACPI_CAST_PTR (ACPI_LPIT_HEADER, Subtable->Buffer);
#define ACPI_LPITH_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_LPIT_HEADER,f)
#define ACPI_LPITH_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (ACPI_LPIT_HEADER,f,o)
ACPI_LPIT_HEADER Header;