ACPI_TO_POINTER
Status = AcpiDsGetPredicateValue (WalkState, ACPI_TO_POINTER (TRUE));
Scope->ParseScope.ArgEnd = ACPI_TO_POINTER (ACPI_MAX_PTR);
#define ACPI_ROOT_OBJECT ((ACPI_HANDLE) ACPI_TO_POINTER (ACPI_MAX_PTR))