---
title: EFI_BOOLEAN
framework: Kernel
role: symbol
role_heading: Type Alias
platforms: [macOS 10.4+]
path: kernel/efi_boolean
---

# EFI_BOOLEAN

## Declaration

```occ
typedef uint8_t EFI_BOOLEAN;
```

## See Also

### EFI

- [EFI_CONFIGURATION_TABLE_32](kernel/efi_configuration_table_32.md)
- [EFI_CONFIGURATION_TABLE_64](kernel/efi_configuration_table_64.md)
- [EFI_GUID](kernel/efi_guid.md)
- [EFI_MEMORY_DESCRIPTOR](kernel/efi_memory_descriptor.md)
- [EFI_RUNTIME_SERVICES_32](kernel/efi_runtime_services_32.md)
- [EFI_RUNTIME_SERVICES_64](kernel/efi_runtime_services_64.md)
- [EFI_SYSTEM_TABLE_32](kernel/efi_system_table_32.md)
- [EFI_SYSTEM_TABLE_64](kernel/efi_system_table_64.md)
- [EFI_TABLE_HEADER](kernel/efi_table_header.md)
- [EFI_TIME](kernel/efi_time.md)
- [EFI_TIME_CAPABILITIES](kernel/efi_time_capabilities.md)
- [EfiMemoryRange](kernel/efimemoryrange.md)
- [EFI_CHAR16](kernel/efi_char16.md)
- [EFI_CHAR32](kernel/efi_char32.md)
- [EFI_CHAR64](kernel/efi_char64.md)
- [EFI_CHAR8](kernel/efi_char8.md)
- [EFI_CONVERT_POINTER](kernel/efi_convert_pointer.md)
- [EFI_GET_NEXT_HIGH_MONO_COUNT](kernel/efi_get_next_high_mono_count.md)
- [EFI_GET_NEXT_VARIABLE_NAME](kernel/efi_get_next_variable_name.md)
- [EFI_GET_TIME](kernel/efi_get_time.md)
- [EFI_GET_VARIABLE](kernel/efi_get_variable.md)
- [EFI_GET_WAKEUP_TIME](kernel/efi_get_wakeup_time.md)
- [EFI_HANDLE32](kernel/efi_handle32.md)
- [EFI_HANDLE64](kernel/efi_handle64.md)
- [EFI_INT16](kernel/efi_int16.md)
- [EFI_INT32](kernel/efi_int32.md)
- [EFI_INT64](kernel/efi_int64.md)
- [EFI_INT8](kernel/efi_int8.md)
- [EFI_PHYSICAL_ADDRESS](kernel/efi_physical_address.md)
- [EFI_PTR32](kernel/efi_ptr32.md)
- [EFI_PTR64](kernel/efi_ptr64.md)
- [EFI_RESET_SYSTEM](kernel/efi_reset_system.md)
- [EFI_SET_TIME](kernel/efi_set_time.md)
- [EFI_SET_VARIABLE](kernel/efi_set_variable.md)
- [EFI_SET_VIRTUAL_ADDRESS_MAP](kernel/efi_set_virtual_address_map.md)
- [EFI_SET_WAKEUP_TIME](kernel/efi_set_wakeup_time.md)
- [EFI_STATUS](kernel/efi_status.md)
- [EFI_UINT16](kernel/efi_uint16.md)
- [EFI_UINT32](kernel/efi_uint32.md)
- [EFI_UINT64](kernel/efi_uint64.md)
- [EFI_UINT8](kernel/efi_uint8.md)
- [EFI_UINTN](kernel/efi_uintn.md)
- [EFI_VIRTUAL_ADDRESS](kernel/efi_virtual_address.md)