ACPI_PTR_DIFF     519 include/acpi/actypes.h #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) NULL)
ACPI_PTR_DIFF     520 include/acpi/actypes.h #define ACPI_OFFSET(d, f)               ACPI_PTR_DIFF (&(((d *) 0)->f), (void *) NULL)