diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index ec8132ffd7..65879058df 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -992,7 +992,11 @@
 				>
 			</File>
 			<File
-				RelativePath=".\..\src\fileio.h"
+				RelativePath=".\..\src\fileio_func.h"
+				>
+			</File>
+			<File
+				RelativePath=".\..\src\fileio_type.h"
 				>
 			</File>
 			<File
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index d52de00ca0..248efa3508 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -989,7 +989,11 @@
 				>
 			</File>
 			<File
-				RelativePath=".\..\src\fileio.h"
+				RelativePath=".\..\src\fileio_func.h"
+				>
+			</File>
+			<File
+				RelativePath=".\..\src\fileio_type.h"
 				>
 			</File>
 			<File
diff --git a/source.list b/source.list
index 9b5f149d2f..ce747750bd 100644
--- a/source.list
+++ b/source.list
@@ -175,7 +175,8 @@ engine_func.h
 engine_gui.h
 engine_type.h
 fiber.hpp
-fileio.h
+fileio_func.h
+fileio_type.h
 fios.h
 fontcache.h
 functions.h
diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
index 2286f865fc..c0a7b1c7de 100644
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -15,7 +15,7 @@
 #include "command_func.h"
 #include "settings_func.h"
 #include "fios.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "screenshot.h"
 #include "genworld.h"
 #include "strings_func.h"
diff --git a/src/fileio.cpp b/src/fileio.cpp
index 9e141c6e53..381d51c579 100644
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -4,7 +4,7 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "variables.h"
 #include "debug.h"
 #include "fios.h"
diff --git a/src/fileio.h b/src/fileio_func.h
similarity index 63%
rename from src/fileio.h
rename to src/fileio_func.h
index 7c8a802214..476e1afff8 100644
--- a/src/fileio.h
+++ b/src/fileio_func.h
@@ -1,11 +1,11 @@
 /* $Id$ */
 
-/** @file fileio.h Declarations for Standard In/Out file operations */
+/** @file fileio_func.h Functions for Standard In/Out file operations */
 
-#ifndef FILEIO_H
-#define FILEIO_H
+#ifndef FILEIO_FUNC_H
+#define FILEIO_FUNC_H
 
-#include "core/enum_type.hpp"
+#include "fileio_type.h"
 
 void FioSeekTo(size_t pos, int mode);
 void FioSeekToFile(uint8 slot, size_t pos);
@@ -20,38 +20,6 @@ void FioReadBlock(void *ptr, size_t size);
 void FioSkipBytes(int n);
 void FioCreateDirectory(const char *filename);
 
-/**
- * The different kinds of subdirectories OpenTTD uses
- */
-enum Subdirectory {
-	BASE_DIR,      ///< Base directory for all subdirectories
-	SAVE_DIR,      ///< Base directory for all savegames
-	AUTOSAVE_DIR,  ///< Subdirectory of save for autosaves
-	SCENARIO_DIR,  ///< Base directory for all scenarios
-	HEIGHTMAP_DIR, ///< Subdirectory of scenario for heightmaps
-	GM_DIR,        ///< Subdirectory for all music
-	DATA_DIR,      ///< Subdirectory for all data (GRFs, sample.cat, intro game)
-	LANG_DIR,      ///< Subdirectory for all translation files
-	NUM_SUBDIRS,   ///< Number of subdirectories
-	NO_DIRECTORY,  ///< A path without any base directory
-};
-
-/**
- * Types of searchpaths OpenTTD might use
- */
-enum Searchpath {
-	SP_FIRST_DIR,
-	SP_WORKING_DIR = SP_FIRST_DIR, ///< Search in the working directory
-	SP_PERSONAL_DIR,               ///< Search in the personal directory
-	SP_SHARED_DIR,                 ///< Search in the shared directory, like 'Shared Files' under Windows
-	SP_BINARY_DIR,                 ///< Search in the directory where the binary resides
-	SP_INSTALLATION_DIR,           ///< Search in the installation directory
-	SP_APPLICATION_BUNDLE_DIR,     ///< Search within the application bundle
-	NUM_SEARCHPATHS
-};
-
-DECLARE_POSTFIX_INCREMENT(Searchpath);
-
 /**
  * The searchpaths OpenTTD could search through.
  * At least one of the slots has to be filled with a path.
@@ -112,4 +80,52 @@ public:
 	virtual bool AddFile(const char *filename, size_t basepath_length) = 0;
 };
 
-#endif /* FILEIO_H */
+
+/* Implementation of opendir/readdir/closedir for Windows */
+#if defined(WIN32)
+#include <windows.h>
+struct DIR;
+
+struct dirent { // XXX - only d_name implemented
+	TCHAR *d_name; // name of found file
+	/* little hack which will point to parent DIR struct which will
+	 * save us a call to GetFileAttributes if we want information
+	 * about the file (for example in function fio_bla) */
+	DIR *dir;
+};
+
+struct DIR {
+	HANDLE hFind;
+	/* the dirent returned by readdir.
+	 * note: having only one global instance is not possible because
+	 * multiple independent opendir/readdir sequences must be supported. */
+	dirent ent;
+	WIN32_FIND_DATA fd;
+	/* since opendir calls FindFirstFile, we need a means of telling the
+	 * first call to readdir that we already have a file.
+	 * that's the case iff this is true */
+	bool at_first_entry;
+};
+
+DIR *opendir(const TCHAR *path);
+struct dirent *readdir(DIR *d);
+int closedir(DIR *d);
+#else
+/* Use system-supplied opendir/readdir/closedir functions */
+# include <sys/types.h>
+# include <dirent.h>
+#endif /* defined(WIN32) */
+
+/**
+ * A wrapper around opendir() which will convert the string from
+ * OPENTTD encoding to that of the filesystem. For all purposes this
+ * function behaves the same as the original opendir function
+ * @param path string to open directory of
+ * @return DIR pointer
+ */
+static inline DIR *ttd_opendir(const char *path)
+{
+	return opendir(OTTD2FS(path));
+}
+
+#endif /* FILEIO_FUNC_H */
diff --git a/src/fileio_type.h b/src/fileio_type.h
new file mode 100644
index 0000000000..baef9c70de
--- /dev/null
+++ b/src/fileio_type.h
@@ -0,0 +1,42 @@
+/* $Id$ */
+
+/** @file fileio_type.h Types for Standard In/Out file operations */
+
+#ifndef FILEIO_TYPE_H
+#define FILEIO_TYPE_H
+
+#include "core/enum_type.hpp"
+
+/**
+ * The different kinds of subdirectories OpenTTD uses
+ */
+enum Subdirectory {
+	BASE_DIR,      ///< Base directory for all subdirectories
+	SAVE_DIR,      ///< Base directory for all savegames
+	AUTOSAVE_DIR,  ///< Subdirectory of save for autosaves
+	SCENARIO_DIR,  ///< Base directory for all scenarios
+	HEIGHTMAP_DIR, ///< Subdirectory of scenario for heightmaps
+	GM_DIR,        ///< Subdirectory for all music
+	DATA_DIR,      ///< Subdirectory for all data (GRFs, sample.cat, intro game)
+	LANG_DIR,      ///< Subdirectory for all translation files
+	NUM_SUBDIRS,   ///< Number of subdirectories
+	NO_DIRECTORY,  ///< A path without any base directory
+};
+
+/**
+ * Types of searchpaths OpenTTD might use
+ */
+enum Searchpath {
+	SP_FIRST_DIR,
+	SP_WORKING_DIR = SP_FIRST_DIR, ///< Search in the working directory
+	SP_PERSONAL_DIR,               ///< Search in the personal directory
+	SP_SHARED_DIR,                 ///< Search in the shared directory, like 'Shared Files' under Windows
+	SP_BINARY_DIR,                 ///< Search in the directory where the binary resides
+	SP_INSTALLATION_DIR,           ///< Search in the installation directory
+	SP_APPLICATION_BUNDLE_DIR,     ///< Search within the application bundle
+	NUM_SEARCHPATHS
+};
+
+DECLARE_POSTFIX_INCREMENT(Searchpath);
+
+#endif /* FILEIO_TYPE_H */
diff --git a/src/fios.cpp b/src/fios.cpp
index cdecb1b346..1161792282 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -9,7 +9,7 @@
 #include "variables.h"
 #include "heightmap.h"
 #include "fios.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "functions.h"
 #include "string_func.h"
 #include <sys/types.h>
diff --git a/src/fios.h b/src/fios.h
index 40982bf4d9..d40292be1e 100644
--- a/src/fios.h
+++ b/src/fios.h
@@ -110,51 +110,4 @@ FiosType FiosGetSavegameListCallback(SaveLoadDialogMode mode, const char *file,
 
 int CDECL compare_FiosItems(const void *a, const void *b);
 
-/* Implementation of opendir/readdir/closedir for Windows */
-#if defined(WIN32)
-#include <windows.h>
-struct DIR;
-
-struct dirent { // XXX - only d_name implemented
-	TCHAR *d_name; // name of found file
-	/* little hack which will point to parent DIR struct which will
-	 * save us a call to GetFileAttributes if we want information
-	 * about the file (for example in function fio_bla) */
-	DIR *dir;
-};
-
-struct DIR {
-	HANDLE hFind;
-	/* the dirent returned by readdir.
-	 * note: having only one global instance is not possible because
-	 * multiple independent opendir/readdir sequences must be supported. */
-	dirent ent;
-	WIN32_FIND_DATA fd;
-	/* since opendir calls FindFirstFile, we need a means of telling the
-	 * first call to readdir that we already have a file.
-	 * that's the case iff this is true */
-	bool at_first_entry;
-};
-
-DIR *opendir(const TCHAR *path);
-struct dirent *readdir(DIR *d);
-int closedir(DIR *d);
-#else
-/* Use system-supplied opendir/readdir/closedir functions */
-# include <sys/types.h>
-# include <dirent.h>
-#endif /* defined(WIN32) */
-
-/**
- * A wrapper around opendir() which will convert the string from
- * OPENTTD encoding to that of the filesystem. For all purposes this
- * function behaves the same as the original opendir function
- * @param path string to open directory of
- * @return DIR pointer
- */
-static inline DIR *ttd_opendir(const char *path)
-{
-	return opendir(OTTD2FS(path));
-}
-
 #endif /* FIOS_H */
diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
index c6497bb0b1..f76e90968e 100644
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -7,7 +7,7 @@
 #include "debug.h"
 #include "gfxinit.h"
 #include "spritecache.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "fios.h"
 #include "newgrf.h"
 #include "md5.h"
diff --git a/src/ini.cpp b/src/ini.cpp
index 7c1786a741..defc913c9d 100644
--- a/src/ini.cpp
+++ b/src/ini.cpp
@@ -8,7 +8,7 @@
 #include "debug.h"
 #include "ini_type.h"
 #include "string_func.h"
-#include "fileio.h"
+#include "fileio_func.h"
 
 IniItem::IniItem(IniGroup *parent, const char *name, size_t len) : next(NULL), value(NULL), comment(NULL)
 {
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 6c7221ac45..25f8e3baf0 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -30,7 +30,7 @@
 #include "cargotype.h"
 #include "player_face.h"
 #include "strings_func.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "fios.h"
 #include "tile_cmd.h"
 #include "zoom_func.h"
diff --git a/src/music_gui.cpp b/src/music_gui.cpp
index aa2a8f97d4..002fb50709 100644
--- a/src/music_gui.cpp
+++ b/src/music_gui.cpp
@@ -4,7 +4,7 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "variables.h"
 #include "music.h"
 #include "music/music_driver.hpp"
diff --git a/src/network/network.cpp b/src/network/network.cpp
index dff8c220d5..e2b355c6f3 100644
--- a/src/network/network.cpp
+++ b/src/network/network.cpp
@@ -28,7 +28,6 @@
 #include "../console_func.h"
 #include <stdarg.h> /* va_list */
 #include "../md5.h"
-#include "../fileio.h"
 #include "../texteff.hpp"
 #include "../core/random_func.hpp"
 #include "../window_func.h"
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp
index 4814973a1d..0b07e7da08 100644
--- a/src/network/network_client.cpp
+++ b/src/network/network_client.cpp
@@ -18,7 +18,7 @@
 #include "../variables.h"
 #include "../ai/ai.h"
 #include "../core/alloc_func.hpp"
-#include "../fileio.h"
+#include "../fileio_func.h"
 #include "../md5.h"
 #include "../strings_func.h"
 #include "../window_func.h"
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
index 56f8b724e5..d1e1614f63 100644
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -22,7 +22,7 @@
 #include "../variables.h"
 #include "../genworld.h"
 #include "../core/alloc_func.hpp"
-#include "../fileio.h"
+#include "../fileio_func.h"
 #include "../string_func.h"
 #include "../player_base.h"
 #include "../player_func.h"
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 1f8756d0a4..fadb9f57d4 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -8,7 +8,7 @@
 
 #include "openttd.h"
 #include "debug.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "engine_func.h"
 #include "engine_base.h"
 #include "spritecache.h"
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index 6faeb8d773..98ba8d420a 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -15,7 +15,7 @@
 #include "gamelog.h"
 #include "network/network_type.h"
 
-#include "fileio.h"
+#include "fileio_func.h"
 #include "fios.h"
 
 
diff --git a/src/openttd.cpp b/src/openttd.cpp
index 61f466056d..73589937ca 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -33,7 +33,7 @@
 #include "town.h"
 #include "industry.h"
 #include "news_func.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "fios.h"
 #include "airport.h"
 #include "aircraft.h"
diff --git a/src/saveload.cpp b/src/saveload.cpp
index a05302a1c9..180d80ecea 100644
--- a/src/saveload.cpp
+++ b/src/saveload.cpp
@@ -31,6 +31,7 @@
 #include "vehicle_base.h"
 #include "autoreplace_base.h"
 #include "statusbar_gui.h"
+#include "fileio_func.h"
 #include <list>
 #include "gamelog.h"
 
diff --git a/src/saveload.h b/src/saveload.h
index dfe07350cd..df2dc9f07b 100644
--- a/src/saveload.h
+++ b/src/saveload.h
@@ -5,7 +5,7 @@
 #ifndef SAVELOAD_H
 #define SAVELOAD_H
 
-#include "fileio.h"
+#include "fileio_type.h"
 
 #ifdef SIZE_MAX
 #undef SIZE_MAX
diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index 6f5cc0105e..5a9ef0581b 100644
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -5,14 +5,13 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "debug.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "viewport_func.h"
 #include "gfx_func.h"
 #include "core/math_func.hpp"
 #include "screenshot.h"
 #include "variables.h"
 #include "blitter/factory.hpp"
-#include "fileio.h"
 #include "strings_func.h"
 #include "zoom_func.h"
 #include "core/alloc_func.hpp"
diff --git a/src/sound.cpp b/src/sound.cpp
index ab5872b12e..81c22cbb44 100644
--- a/src/sound.cpp
+++ b/src/sound.cpp
@@ -7,7 +7,7 @@
 #include "landscape.h"
 #include "mixer.h"
 #include "sound_func.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "newgrf_sound.h"
 #include "fios.h"
 #include "window_gui.h"
diff --git a/src/spritecache.cpp b/src/spritecache.cpp
index d9c2498a8a..616eb59b14 100644
--- a/src/spritecache.cpp
+++ b/src/spritecache.cpp
@@ -7,7 +7,7 @@
 #include "variables.h"
 #include "debug.h"
 #include "spritecache.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "spriteloader/grf.hpp"
 #include "core/alloc_func.hpp"
 #include "core/math_func.hpp"
diff --git a/src/spriteloader/grf.cpp b/src/spriteloader/grf.cpp
index 0bd73f9274..871a9fa0a4 100644
--- a/src/spriteloader/grf.cpp
+++ b/src/spriteloader/grf.cpp
@@ -4,7 +4,7 @@
 
 #include "../stdafx.h"
 #include "../gfx_func.h"
-#include "../fileio.h"
+#include "../fileio_func.h"
 #include "../debug.h"
 #include "../core/alloc_func.hpp"
 #include "grf.hpp"
diff --git a/src/spriteloader/png.cpp b/src/spriteloader/png.cpp
index 54d04a3a89..4ccc502aab 100644
--- a/src/spriteloader/png.cpp
+++ b/src/spriteloader/png.cpp
@@ -6,7 +6,7 @@
 
 #include "../stdafx.h"
 #include "../gfx_func.h"
-#include "../fileio.h"
+#include "../fileio_func.h"
 #include "../debug.h"
 #include "../core/alloc_func.hpp"
 #include "png.hpp"
diff --git a/src/strings.cpp b/src/strings.cpp
index ac02b51783..f644eb7950 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -15,7 +15,7 @@
 #include "newgrf_text.h"
 #include "music.h"
 #include "industry.h"
-#include "fileio.h"
+#include "fileio_func.h"
 #include "cargotype.h"
 #include "group.h"
 #include "debug.h"
diff --git a/src/video/dedicated_v.cpp b/src/video/dedicated_v.cpp
index c54f3d8263..08fd87d280 100644
--- a/src/video/dedicated_v.cpp
+++ b/src/video/dedicated_v.cpp
@@ -14,7 +14,7 @@
 #include "../console_func.h"
 #include "../variables.h"
 #include "../genworld.h"
-#include "../fileio.h"
+#include "../fileio_type.h"
 #include "../fios.h"
 #include "../blitter/factory.hpp"
 #include "../core/alloc_func.hpp"