diff --git a/include/unifex/win32/detail/ntapi.hpp b/include/unifex/win32/detail/ntapi.hpp
index 3bceae24f..afb443cf3 100644
--- a/include/unifex/win32/detail/ntapi.hpp
+++ b/include/unifex/win32/detail/ntapi.hpp
@@ -35,163 +35,164 @@
 #  define _Out_writes_to_(A, B)
 #endif
 
-namespace unifex::win32::ntapi
-{
-  using HANDLE = void*;
-  using PHANDLE = HANDLE*;
-  using LONG = long;
-  using NTSTATUS = LONG;
-  using ULONG_PTR = std::uintptr_t;
-  using LONG_PTR = std::intptr_t;
-  using PVOID = void*;
-  using USHORT = unsigned short;
-  using LONG = long;
-  using LONGLONG = long long;
-  using ULONG = unsigned long;
-  using PULONG = ULONG*;
-  using DWORD = unsigned long;
-  using WCHAR = wchar_t;
-  using PWSTR = WCHAR*;
-  using BYTE = unsigned char;
-  using BOOLEAN = BYTE;
-
-  union LARGE_INTEGER {
-    struct {
-      DWORD LowPart;
-      LONG HighPart;
-    } u;
-    LONGLONG QuadPart;
+namespace unifex::win32::ntapi {
+using HANDLE = void*;
+using PHANDLE = HANDLE*;
+using LONG = long;
+using NTSTATUS = LONG;
+using ULONG_PTR = std::uintptr_t;
+using LONG_PTR = std::intptr_t;
+using PVOID = void*;
+using USHORT = unsigned short;
+using LONG = long;
+using LONGLONG = long long;
+using ULONG = unsigned long;
+using PULONG = ULONG*;
+using DWORD = unsigned long;
+using WCHAR = wchar_t;
+using PWSTR = WCHAR*;
+using BYTE = unsigned char;
+using BOOLEAN = BYTE;
+
+union LARGE_INTEGER {
+  struct {
+    DWORD LowPart;
+    LONG HighPart;
+  } u;
+  LONGLONG QuadPart;
+};
+using PLARGE_INTEGER = LARGE_INTEGER*;
+
+struct UNICODE_STRING {
+  USHORT Length;
+  USHORT MaximumLength;
+  PWSTR Buffer;
+};
+using PUNICODE_STRING = UNICODE_STRING*;
+
+struct IO_STATUS_BLOCK {
+  // Corresponds to OVERLAPPED::Internal
+  union {
+    NTSTATUS Status;
+    void* Pointer;
   };
-  using PLARGE_INTEGER = LARGE_INTEGER*;
 
-  struct UNICODE_STRING {
-    USHORT Length;
-    USHORT MaximumLength;
-    PWSTR Buffer;
-  };
-  using PUNICODE_STRING = UNICODE_STRING*;
-
-  struct IO_STATUS_BLOCK {
-    // Corresponds to OVERLAPPED::Internal
-    union {
-      NTSTATUS Status;
-      void* Pointer;
-    };
-
-    // Corresponds to OVERLAPPED::InternalHigh
-    ULONG_PTR Information;
-  };
-  using PIO_STATUS_BLOCK = IO_STATUS_BLOCK*;
-
-  using ACCESS_MASK = DWORD;
-  using PACCESS_MASK = ACCESS_MASK*;
-
-  struct OBJECT_ATTRIBUTES {
-    ULONG Length;
-    HANDLE RootDirectory;
-    PUNICODE_STRING ObjectName;
-    ULONG Attributes;
-    PVOID SecurityDescriptor;
-    PVOID SecurityQualityOfService;
-  };
-  using POBJECT_ATTRIBUTES = OBJECT_ATTRIBUTES*;
-
-  struct FILE_COMPLETION_INFORMATION {
-    HANDLE Port;
-    PVOID Key;
-  };
-  using PFILE_COMPLETION_INFORMATION = FILE_COMPLETION_INFORMATION*;
-
-  struct FILE_IO_COMPLETION_INFORMATION {
-    PVOID KeyContext;
-    PVOID ApcContext;
-    IO_STATUS_BLOCK IoStatusBlock;
-  };
-  using PFILE_IO_COMPLETION_INFORMATION = FILE_IO_COMPLETION_INFORMATION*;
-
-  using PIO_APC_ROUTINE = void(UNIFEX_NTAPI*)(
-      _In_ PVOID ApcContext,
-      _In_ PIO_STATUS_BLOCK IoStatusBlock,
-      _In_ ULONG Reserved);
-
-  // From
-  // http://msdn.microsoft.com/en-us/library/windows/hardware/ff566424(v=vs.85).aspx
-  using NtCreateFile_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _Out_ PHANDLE FileHandle,
-      _In_ ACCESS_MASK DesiredAccess,
-      _In_ POBJECT_ATTRIBUTES ObjectAttributes,
-      _Out_ PIO_STATUS_BLOCK IoStatusBlock,
-      _In_opt_ PLARGE_INTEGER AllocationSize,
-      _In_ ULONG FileAttributes,
-      _In_ ULONG ShareAccess,
-      _In_ ULONG CreateDisposition,
-      _In_ ULONG CreateOptions,
-      _In_opt_ PVOID EaBuffer,
-      _In_ ULONG EaLength);
-  extern NtCreateFile_t NtCreateFile;
-
-  using NtCancelIoFileEx_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _In_ HANDLE hFile,
-      _Out_ PIO_STATUS_BLOCK iosb,
-      _Out_ PIO_STATUS_BLOCK io_status);
-  extern NtCancelIoFileEx_t NtCancelIoFileEx;
-
-  using NtReadFile_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _In_ HANDLE FileHandle,
-      _In_opt_ HANDLE Event,
-      _In_opt_ PIO_APC_ROUTINE ApcRoutine,
-      _In_opt_ PVOID ApcContext,
-      _Out_ PIO_STATUS_BLOCK IoStatusBlock,
-      _Out_ PVOID Buffer,
-      _In_ ULONG Length,
-      _In_opt_ PLARGE_INTEGER ByteOffset,
-      _In_opt_ PULONG Key);
-  extern NtReadFile_t NtReadFile;
-
-  using NtWriteFile_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _In_ HANDLE FileHandle,
-      _In_opt_ HANDLE Event,
-      _In_opt_ PIO_APC_ROUTINE ApcRoutine,
-      _In_opt_ PVOID ApcContext,
-      _Out_ PIO_STATUS_BLOCK IoStatusBlock,
-      _In_ PVOID Buffer,
-      _In_ ULONG Length,
-      _In_opt_ PLARGE_INTEGER ByteOffset,
-      _In_opt_ PULONG Key);
-  extern NtWriteFile_t NtWriteFile;
-
-  using NtSetIoCompletion_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _In_ HANDLE IoCompletionHandle,
-      _In_ ULONG KeyContext,
-      _In_ PVOID ApcContext,
-      _In_ NTSTATUS IoStatus,
-      _In_ ULONG IoStatusInformation);
-  extern NtSetIoCompletion_t NtSetIoCompletion;
-
-  using NtRemoveIoCompletion_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _In_ HANDLE IoCompletionHandle,
-      _Out_ PVOID* CompletionKey,
-      _Out_ PVOID* ApcContext,
-      _Out_ PIO_STATUS_BLOCK IoStatusBlock,
-      _In_opt_ PLARGE_INTEGER Timeout);
-  extern NtRemoveIoCompletion_t NtRemoveIoCompletion;
-
-  using NtRemoveIoCompletionEx_t = NTSTATUS(UNIFEX_NTAPI*)(
-      _In_ HANDLE IoCompletionHandle,
-      _Out_writes_to_(Count, *NumEntriesRemoved)
-          PFILE_IO_COMPLETION_INFORMATION IoCompletionInformation,
-      _In_ ULONG Count,
-      _Out_ PULONG NumEntriesRemoved,
-      _In_opt_ PLARGE_INTEGER Timeout,
-      _In_ BOOLEAN Alertable);
-  extern NtRemoveIoCompletionEx_t NtRemoveIoCompletionEx;
-
-  using RtlNtStatusToDosError_t = ULONG(UNIFEX_NTAPI*)(_In_ NTSTATUS Status);
-  extern RtlNtStatusToDosError_t RtlNtStatusToDosError;
-
-  void ensure_initialised() noexcept;
-
-  constexpr bool ntstatus_success(NTSTATUS status) { return status >= 0; }
+  // Corresponds to OVERLAPPED::InternalHigh
+  ULONG_PTR Information;
+};
+using PIO_STATUS_BLOCK = IO_STATUS_BLOCK*;
+
+using ACCESS_MASK = DWORD;
+using PACCESS_MASK = ACCESS_MASK*;
+
+struct OBJECT_ATTRIBUTES {
+  ULONG Length;
+  HANDLE RootDirectory;
+  PUNICODE_STRING ObjectName;
+  ULONG Attributes;
+  PVOID SecurityDescriptor;
+  PVOID SecurityQualityOfService;
+};
+using POBJECT_ATTRIBUTES = OBJECT_ATTRIBUTES*;
+
+struct FILE_COMPLETION_INFORMATION {
+  HANDLE Port;
+  PVOID Key;
+};
+using PFILE_COMPLETION_INFORMATION = FILE_COMPLETION_INFORMATION*;
+
+struct FILE_IO_COMPLETION_INFORMATION {
+  PVOID KeyContext;
+  PVOID ApcContext;
+  IO_STATUS_BLOCK IoStatusBlock;
+};
+using PFILE_IO_COMPLETION_INFORMATION = FILE_IO_COMPLETION_INFORMATION*;
+
+using PIO_APC_ROUTINE = void(UNIFEX_NTAPI*)(
+    _In_ PVOID ApcContext,
+    _In_ PIO_STATUS_BLOCK IoStatusBlock,
+    _In_ ULONG Reserved);
+
+// From
+// http://msdn.microsoft.com/en-us/library/windows/hardware/ff566424(v=vs.85).aspx
+using NtCreateFile_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _Out_ PHANDLE FileHandle,
+    _In_ ACCESS_MASK DesiredAccess,
+    _In_ POBJECT_ATTRIBUTES ObjectAttributes,
+    _Out_ PIO_STATUS_BLOCK IoStatusBlock,
+    _In_opt_ PLARGE_INTEGER AllocationSize,
+    _In_ ULONG FileAttributes,
+    _In_ ULONG ShareAccess,
+    _In_ ULONG CreateDisposition,
+    _In_ ULONG CreateOptions,
+    _In_opt_ PVOID EaBuffer,
+    _In_ ULONG EaLength);
+extern NtCreateFile_t NtCreateFile;
+
+using NtCancelIoFileEx_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _In_ HANDLE hFile,
+    _Out_ PIO_STATUS_BLOCK iosb,
+    _Out_ PIO_STATUS_BLOCK io_status);
+extern NtCancelIoFileEx_t NtCancelIoFileEx;
+
+using NtReadFile_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _In_ HANDLE FileHandle,
+    _In_opt_ HANDLE Event,
+    _In_opt_ PIO_APC_ROUTINE ApcRoutine,
+    _In_opt_ PVOID ApcContext,
+    _Out_ PIO_STATUS_BLOCK IoStatusBlock,
+    _Out_ PVOID Buffer,
+    _In_ ULONG Length,
+    _In_opt_ PLARGE_INTEGER ByteOffset,
+    _In_opt_ PULONG Key);
+extern NtReadFile_t NtReadFile;
+
+using NtWriteFile_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _In_ HANDLE FileHandle,
+    _In_opt_ HANDLE Event,
+    _In_opt_ PIO_APC_ROUTINE ApcRoutine,
+    _In_opt_ PVOID ApcContext,
+    _Out_ PIO_STATUS_BLOCK IoStatusBlock,
+    _In_ PVOID Buffer,
+    _In_ ULONG Length,
+    _In_opt_ PLARGE_INTEGER ByteOffset,
+    _In_opt_ PULONG Key);
+extern NtWriteFile_t NtWriteFile;
+
+using NtSetIoCompletion_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _In_ HANDLE IoCompletionHandle,
+    _In_ ULONG KeyContext,
+    _In_ PVOID ApcContext,
+    _In_ NTSTATUS IoStatus,
+    _In_ ULONG IoStatusInformation);
+extern NtSetIoCompletion_t NtSetIoCompletion;
+
+using NtRemoveIoCompletion_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _In_ HANDLE IoCompletionHandle,
+    _Out_ PVOID* CompletionKey,
+    _Out_ PVOID* ApcContext,
+    _Out_ PIO_STATUS_BLOCK IoStatusBlock,
+    _In_opt_ PLARGE_INTEGER Timeout);
+extern NtRemoveIoCompletion_t NtRemoveIoCompletion;
+
+using NtRemoveIoCompletionEx_t = NTSTATUS(UNIFEX_NTAPI*)(
+    _In_ HANDLE IoCompletionHandle,
+    _Out_writes_to_(Count, *NumEntriesRemoved)
+        PFILE_IO_COMPLETION_INFORMATION IoCompletionInformation,
+    _In_ ULONG Count,
+    _Out_ PULONG NumEntriesRemoved,
+    _In_opt_ PLARGE_INTEGER Timeout,
+    _In_ BOOLEAN Alertable);
+extern NtRemoveIoCompletionEx_t NtRemoveIoCompletionEx;
+
+using RtlNtStatusToDosError_t = ULONG(UNIFEX_NTAPI*)(_In_ NTSTATUS Status);
+extern RtlNtStatusToDosError_t RtlNtStatusToDosError;
+
+void ensure_initialised() noexcept;
+
+constexpr bool ntstatus_success(NTSTATUS status) {
+  return status >= 0;
+}
 
 }  // namespace unifex::win32::ntapi