diff --git a/ctypes_generation/definitions/defines/version.txt b/ctypes_generation/definitions/defines/version.txt
new file mode 100644
index 0000000..91fde6f
--- /dev/null
+++ b/ctypes_generation/definitions/defines/version.txt
@@ -0,0 +1,8 @@
+/*
+    FILE_VER_GET_... flags are for use by
+    GetFileVersionInfoSizeEx
+    GetFileVersionInfoExW
+*/
+#define FILE_VER_GET_LOCALISED  0x01
+#define FILE_VER_GET_NEUTRAL    0x02
+#define FILE_VER_GET_PREFETCHED 0x04
\ No newline at end of file
diff --git a/ctypes_generation/definitions/functions/version.txt b/ctypes_generation/definitions/functions/version.txt
new file mode 100644
index 0000000..2ac232a
--- /dev/null
+++ b/ctypes_generation/definitions/functions/version.txt
@@ -0,0 +1,74 @@
+BOOL WINAPI GetFileVersionInfoA(
+  _In_       LPCSTR lptstrFilename,
+  _Reserved_ DWORD   dwHandle,
+  _In_       DWORD   dwLen,
+  _Out_      LPVOID  lpData
+);
+
+
+BOOL WINAPI GetFileVersionInfoW(
+  _In_       LPWSTR lptstrFilename,
+  _Reserved_ DWORD   dwHandle,
+  _In_       DWORD   dwLen,
+  _Out_      LPVOID  lpData
+);
+
+
+BOOL GetFileVersionInfoExA(
+  DWORD  dwFlags,
+  LPCSTR lpwstrFilename,
+  DWORD  dwHandle,
+  DWORD  dwLen,
+  LPVOID lpData
+);
+
+
+BOOL GetFileVersionInfoExW(
+  DWORD   dwFlags,
+  LPCWSTR lpwstrFilename,
+  DWORD   dwHandle,
+  DWORD   dwLen,
+  LPVOID  lpData
+);
+
+
+DWORD WINAPI GetFileVersionInfoSizeA(
+  _In_      LPCSTR lptstrFilename,
+  _Out_opt_ LPDWORD lpdwHandle
+);
+
+
+DWORD WINAPI GetFileVersionInfoSizeW(
+  _In_      LPWSTR lptstrFilename,
+  _Out_opt_ LPDWORD lpdwHandle
+);
+
+
+DWORD GetFileVersionInfoSizeExA(
+  DWORD   dwFlags,
+  LPCSTR  lpwstrFilename,
+  LPDWORD lpdwHandle
+);
+
+
+DWORD GetFileVersionInfoSizeExW(
+  DWORD   dwFlags,
+  LPCWSTR lpwstrFilename,
+  LPDWORD lpdwHandle
+);
+
+
+BOOL WINAPI VerQueryValueA(
+  _In_  LPCVOID pBlock,
+  _In_  LPCSTR lpSubBlock,
+  _Out_ LPVOID  *lplpBuffer,
+  _Out_ PUINT   puLen
+);
+
+
+BOOL WINAPI VerQueryValueW(
+  _In_  LPCVOID pBlock,
+  _In_  LPWSTR lpSubBlock,
+  _Out_ LPVOID  *lplpBuffer,
+  _Out_ PUINT   puLen
+);
diff --git a/ctypes_generation/definitions/functions/winfunc.txt b/ctypes_generation/definitions/functions/winfunc.txt
index d6a4ba8..0f5077f 100644
--- a/ctypes_generation/definitions/functions/winfunc.txt
+++ b/ctypes_generation/definitions/functions/winfunc.txt
@@ -1008,44 +1008,6 @@ DWORD WINAPI GetProcessImageFileNameW(
   _In_  DWORD  nSize
 );
 
-BOOL WINAPI GetFileVersionInfoA(
-  _In_       LPCSTR lptstrFilename,
-  _Reserved_ DWORD   dwHandle,
-  _In_       DWORD   dwLen,
-  _Out_      LPVOID  lpData
-);
-
-BOOL WINAPI GetFileVersionInfoW(
-  _In_       LPWSTR lptstrFilename,
-  _Reserved_ DWORD   dwHandle,
-  _In_       DWORD   dwLen,
-  _Out_      LPVOID  lpData
-);
-
-DWORD WINAPI GetFileVersionInfoSizeA(
-  _In_      LPCSTR lptstrFilename,
-  _Out_opt_ LPDWORD lpdwHandle
-);
-
-DWORD WINAPI GetFileVersionInfoSizeW(
-  _In_      LPWSTR lptstrFilename,
-  _Out_opt_ LPDWORD lpdwHandle
-);
-
-BOOL WINAPI VerQueryValueA(
-  _In_  LPCVOID pBlock,
-  _In_  LPCSTR lpSubBlock,
-  _Out_ LPVOID  *lplpBuffer,
-  _Out_ PUINT   puLen
-);
-
-BOOL WINAPI VerQueryValueW(
-  _In_  LPCVOID pBlock,
-  _In_  LPWSTR lpSubBlock,
-  _Out_ LPVOID  *lplpBuffer,
-  _Out_ PUINT   puLen
-);
-
 INT WINAPI GetSystemMetrics(
   _In_ INT nIndex
 );