ACPI_SYSTEM_XFACE 1019 include/acpi/actypes.h  (ACPI_SYSTEM_XFACE * acpi_osd_handler) (void *context);
ACPI_SYSTEM_XFACE 1022 include/acpi/actypes.h  (ACPI_SYSTEM_XFACE * acpi_osd_exec_callback) (void *context);
ACPI_SYSTEM_XFACE  277 include/acpi/platform/acenv.h #ifndef ACPI_SYSTEM_XFACE