diff --git a/src/blitter/factory.hpp b/src/blitter/factory.hpp
index 8bb232e28e..5197104d08 100644
--- a/src/blitter/factory.hpp
+++ b/src/blitter/factory.hpp
@@ -4,8 +4,8 @@
 #define BLITTER_FACTORY_HPP
 
 #include "base.hpp"
-#include "../string.h"
 #include "../debug.h"
+#include "../string_func.h"
 #include <string>
 #include <map>
 
diff --git a/src/console.cpp b/src/console.cpp
index a85b21c4c5..2713744d2b 100644
--- a/src/console.cpp
+++ b/src/console.cpp
@@ -10,7 +10,6 @@
 #include "window_gui.h"
 #include "player.h"
 #include "variables.h"
-#include "string.h"
 #include <stdarg.h>
 #include <string.h>
 #include "console.h"
@@ -19,6 +18,7 @@
 #include "network/network_server.h"
 #include "core/alloc_func.hpp"
 #include "window_func.h"
+#include "string_func.h"
 
 #define ICON_BUFFER 79
 #define ICON_HISTORY_SIZE 20
diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
index 0576233e8a..f92024a5d6 100644
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -9,7 +9,6 @@
 #include "engine.h"
 #include "landscape.h"
 #include "saveload.h"
-#include "string.h"
 #include "variables.h"
 #include "network/network_data.h"
 #include "network/network_client.h"
@@ -30,6 +29,7 @@
 #include "map_func.h"
 #include "date_func.h"
 #include "vehicle_func.h"
+#include "string_func.h"
 
 // ** scriptfile handling ** //
 static FILE *_script_file;
diff --git a/src/debug.cpp b/src/debug.cpp
index 23c3b8d187..1b811b9cc2 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -8,7 +8,7 @@
 #include "openttd.h"
 #include "console.h"
 #include "debug.h"
-#include "string.h"
+#include "string_func.h"
 #include "network/core/core.h"
 
 #if defined(ENABLE_NETWORK)
diff --git a/src/driver.cpp b/src/driver.cpp
index 3d3c11c8f4..dc7b23978d 100644
--- a/src/driver.cpp
+++ b/src/driver.cpp
@@ -6,7 +6,6 @@
 #include "openttd.h"
 #include "debug.h"
 #include "driver.h"
-#include "string.h"
 
 #include "sound/sound_driver.hpp"
 #include "music/music_driver.hpp"
diff --git a/src/driver.h b/src/driver.h
index 676671c6be..1a088d8c45 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -7,7 +7,7 @@
 
 #include "debug.h"
 #include "core/enum_type.hpp"
-#include "string.h"
+#include "string_func.h"
 #include <string>
 #include <map>
 
diff --git a/src/engine.cpp b/src/engine.cpp
index f816113b75..8920bc4b58 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -17,7 +17,6 @@
 #include "newgrf_cargo.h"
 #include "table/engines.h"
 #include "group.h"
-#include "string.h"
 #include "misc/autoptr.hpp"
 #include "strings_func.h"
 #include "viewport.h"
@@ -26,6 +25,7 @@
 #include "date_func.h"
 #include "autoreplace_base.h"
 #include "autoreplace_gui.h"
+#include "string_func.h"
 
 EngineInfo _engine_info[TOTAL_NUM_ENGINES];
 RailVehicleInfo _rail_vehicle_info[NUM_TRAIN_ENGINES];
diff --git a/src/fileio.cpp b/src/fileio.cpp
index 513286dea1..12ee608689 100644
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -5,12 +5,12 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "fileio.h"
-#include "string.h"
 #include "variables.h"
 #include "debug.h"
 #include "fios.h"
 #include "core/alloc_func.hpp"
 #include "core/math_func.hpp"
+#include "string_func.h"
 #ifdef WIN32
 #include <windows.h>
 #else
diff --git a/src/fios.cpp b/src/fios.cpp
index f1d1691d95..b83520e218 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -6,7 +6,6 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "string.h"
 #include "variables.h"
 #include "heightmap.h"
 #include "table/strings.h"
@@ -14,6 +13,7 @@
 #include "fileio.h"
 #include "core/alloc_func.hpp"
 #include "functions.h"
+#include "string_func.h"
 #include <sys/types.h>
 #include <sys/stat.h>
 
diff --git a/src/fontcache.cpp b/src/fontcache.cpp
index d988ed7c56..efde18eedc 100644
--- a/src/fontcache.cpp
+++ b/src/fontcache.cpp
@@ -8,7 +8,6 @@
 #include "table/sprites.h"
 #include "table/control_codes.h"
 #include "spritecache.h"
-#include "string.h"
 #include "fontcache.h"
 #include "spriteloader/spriteloader.hpp"
 #include "blitter/factory.hpp"
diff --git a/src/genworld_gui.cpp b/src/genworld_gui.cpp
index 20e5771045..54f7765405 100644
--- a/src/genworld_gui.cpp
+++ b/src/genworld_gui.cpp
@@ -14,7 +14,6 @@
 #include "player.h"
 #include "command_func.h"
 #include "variables.h"
-#include "string.h"
 #include "settings_func.h"
 #include "debug.h"
 #include "genworld.h"
@@ -26,6 +25,7 @@
 #include "date_func.h"
 #include "sound_func.h"
 #include "fios.h"
+#include "string_func.h"
 
 /**
  * In what 'mode' the GenerateLandscapeWindowProc is.
diff --git a/src/gfx.cpp b/src/gfx.cpp
index 8a18d95c8d..322c450dd4 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -6,7 +6,6 @@
 #include "openttd.h"
 #include "gfx_func.h"
 #include "spritecache.h"
-#include "string.h"
 #include "table/palettes.h"
 #include "table/sprites.h"
 #include "variables.h"
diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
index 38588dfa25..781de27e7c 100644
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -10,7 +10,6 @@
 #include "table/sprites.h"
 #include "fileio.h"
 #include "fios.h"
-#include "string.h"
 #include "newgrf.h"
 #include "md5.h"
 #include "variables.h"
diff --git a/src/group_cmd.cpp b/src/group_cmd.cpp
index c39d86280d..3df9d06948 100644
--- a/src/group_cmd.cpp
+++ b/src/group_cmd.cpp
@@ -13,7 +13,6 @@
 #include "group.h"
 #include "train.h"
 #include "aircraft.h"
-#include "string.h"
 #include "vehicle_gui.h"
 #include "misc/autoptr.hpp"
 #include "strings_func.h"
@@ -22,6 +21,7 @@
 #include "vehicle_func.h"
 #include "autoreplace_base.h"
 #include "autoreplace_func.h"
+#include "string_func.h"
 
 /**
  * Update the num engines of a groupID. Decrease the old one and increase the new one
diff --git a/src/group_gui.cpp b/src/group_gui.cpp
index ec0d667134..9d7bcedf00 100644
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -22,6 +22,7 @@
 #include "window_func.h"
 #include "vehicle_func.h"
 #include "autoreplace_gui.h"
+#include "string_func.h"
 
 
 struct Sorting {
diff --git a/src/main_gui.cpp b/src/main_gui.cpp
index ca13135d21..18d8662dae 100644
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -26,7 +26,6 @@
 #include "train.h"
 #include "roadveh.h"
 #include "bridge_map.h"
-#include "string.h"
 #include "screenshot.h"
 #include "genworld.h"
 #include "vehicle_gui.h"
@@ -49,6 +48,7 @@
 #include "transparency.h"
 #include "strings_func.h"
 #include "zoom_func.h"
+#include "string_func.h"
 
 static int _rename_id = 1;
 static int _rename_what = -1;
diff --git a/src/misc.cpp b/src/misc.cpp
index 097c9c8587..56347723fb 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -8,7 +8,6 @@
 #include "landscape.h"
 #include "news.h"
 #include "player.h"
-#include "string.h"
 #include "table/strings.h"
 #include "table/sprites.h"
 #include "saveload.h"
@@ -27,6 +26,7 @@
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "texteff.hpp"
+#include "string_func.h"
 
 char _name_array[512][32];
 
diff --git a/src/misc_cmd.cpp b/src/misc_cmd.cpp
index a59df8ebfe..645455aae6 100644
--- a/src/misc_cmd.cpp
+++ b/src/misc_cmd.cpp
@@ -4,7 +4,6 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "string.h"
 #include "table/strings.h"
 #include "command_func.h"
 #include "economy_func.h"
@@ -20,6 +19,7 @@
 #include "gfx_func.h"
 #include "functions.h"
 #include "vehicle_func.h"
+#include "string_func.h"
 
 /** Change the player's face.
  * @param tile unused
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 7385b2adef..164e9157d1 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -24,7 +24,6 @@
 #include "player.h"
 #include "town.h"
 #include "network/network.h"
-#include "string.h"
 #include "variables.h"
 #include "train.h"
 #include "tgp.h"
@@ -39,6 +38,7 @@
 #include "window_func.h"
 #include "date_func.h"
 #include "sound_func.h"
+#include "string_func.h"
 
 /* Variables to display file lists */
 FiosItem *_fios_list;
diff --git a/src/music/extmidi.cpp b/src/music/extmidi.cpp
index 821c0132ed..af33bdb0ea 100644
--- a/src/music/extmidi.cpp
+++ b/src/music/extmidi.cpp
@@ -4,7 +4,6 @@
 #include "../stdafx.h"
 #include "../openttd.h"
 #include "../sound_func.h"
-#include "../string.h"
 #include "../variables.h"
 #include "../debug.h"
 #include "extmidi.h"
diff --git a/src/music/libtimidity.cpp b/src/music/libtimidity.cpp
index 5368bbd68d..e4c4b3ed92 100644
--- a/src/music/libtimidity.cpp
+++ b/src/music/libtimidity.cpp
@@ -3,7 +3,6 @@
 #include "../stdafx.h"
 #include "../openttd.h"
 #include "../sound.h"
-#include "../string.h"
 #include "../variables.h"
 #include "../debug.h"
 #include "libtimidity.h"
diff --git a/src/namegen.cpp b/src/namegen.cpp
index 64b37a0a92..901c7175c3 100644
--- a/src/namegen.cpp
+++ b/src/namegen.cpp
@@ -7,7 +7,7 @@
 #include "debug.h"
 #include "namegen.h"
 #include "table/namegen.h"
-#include "string.h"
+#include "string_func.h"
 
 static inline uint32 SeedChance(int shift_by, int max, uint32 seed)
 {
diff --git a/src/network/core/packet.cpp b/src/network/core/packet.cpp
index d313751834..fe4c1f7746 100644
--- a/src/network/core/packet.cpp
+++ b/src/network/core/packet.cpp
@@ -7,7 +7,7 @@
 #ifdef ENABLE_NETWORK
 
 #include "../../stdafx.h"
-#include "../../string.h"
+#include "../../string_func.h"
 
 #include "packet.h"
 
diff --git a/src/network/network.cpp b/src/network/network.cpp
index 59f11fa395..625c048212 100644
--- a/src/network/network.cpp
+++ b/src/network/network.cpp
@@ -9,7 +9,6 @@ extern const char _openttd_revision[];
 
 #include "../openttd.h"
 #include "../debug.h"
-#include "../string.h"
 #include "../strings_func.h"
 #include "../map_func.h"
 #include "../command_func.h"
@@ -32,6 +31,7 @@ extern const char _openttd_revision[];
 #include "../texteff.hpp"
 #include "../core/random_func.hpp"
 #include "../window_func.h"
+#include "../string_func.h"
 #ifdef DEBUG_DUMP_COMMANDS
 	#include "../core/alloc_func.hpp"
 #endif
diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp
index badfde5573..8c3b91b0c0 100644
--- a/src/network/network_client.cpp
+++ b/src/network/network_client.cpp
@@ -4,7 +4,6 @@
 
 #include "../stdafx.h"
 #include "../debug.h"
-#include "../string.h"
 #include "../openttd.h"
 #include "network_data.h"
 #include "core/tcp.h"
@@ -22,6 +21,7 @@
 #include "../md5.h"
 #include "../strings_func.h"
 #include "../window_func.h"
+#include "../string_func.h"
 
 // This file handles all the client-commands
 
diff --git a/src/network/network_data.cpp b/src/network/network_data.cpp
index 6cb8e1d471..28d6c09842 100644
--- a/src/network/network_data.cpp
+++ b/src/network/network_data.cpp
@@ -5,11 +5,11 @@
 #include "../stdafx.h"
 #include "../debug.h"
 #include "network_data.h"
-#include "../string.h"
 #include "network_client.h"
 #include "../command_func.h"
 #include "../callback_table.h"
 #include "../core/alloc_func.hpp"
+#include "../string_func.h"
 
 // Add a command to the local command queue
 void NetworkAddCommandQueue(NetworkTCPSocketHandler *cs, CommandPacket *cp)
diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
index 7b13a6572e..a157180571 100644
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -3,7 +3,6 @@
 #ifdef ENABLE_NETWORK
 #include "../stdafx.h"
 #include "../openttd.h"
-#include "../string.h"
 #include "../strings_func.h"
 #include "../table/sprites.h"
 #include "network.h"
@@ -21,12 +20,12 @@
 #include "../variables.h"
 #include "network_server.h"
 #include "network_udp.h"
-#include "../string.h"
 #include "../town.h"
 #include "../newgrf.h"
 #include "../functions.h"
 #include "../window_func.h"
 #include "../core/alloc_func.hpp"
+#include "../string_func.h"
 
 #define BGC 5
 #define BTC 15
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
index 40220e2547..21f14356f4 100644
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -5,7 +5,6 @@
 #include "../stdafx.h"
 #include "../openttd.h" // XXX StringID
 #include "../debug.h"
-#include "../string.h"
 #include "../strings_func.h"
 #include "network_data.h"
 #include "core/tcp.h"
@@ -23,6 +22,7 @@
 #include "../genworld.h"
 #include "../core/alloc_func.hpp"
 #include "../fileio.h"
+#include "../string_func.h"
 
 // This file handles all the server-commands
 
diff --git a/src/network/network_udp.cpp b/src/network/network_udp.cpp
index 573acadfa2..741e83b40b 100644
--- a/src/network/network_udp.cpp
+++ b/src/network/network_udp.cpp
@@ -11,7 +11,6 @@
 
 #include "../stdafx.h"
 #include "../debug.h"
-#include "../string.h"
 #include "network_data.h"
 #include "../date_func.h"
 #include "../map_func.h"
@@ -20,6 +19,7 @@
 #include "../variables.h"
 #include "../newgrf_config.h"
 #include "../core/endian_func.hpp"
+#include "../string_func.h"
 
 #include "core/udp.h"
 
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index fa531f5ed8..2b24efff6f 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -15,7 +15,6 @@
 #include "sprite.h"
 #include "newgrf.h"
 #include "variables.h"
-#include "string.h"
 #include "table/strings.h"
 #include "bridge.h"
 #include "town.h"
@@ -46,6 +45,7 @@
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "sound_func.h"
+#include "string_func.h"
 
 /* TTDPatch extended GRF format codec
  * (c) Petr Baudis 2004 (GPL'd)
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index 22427a29fe..95fc46ce1a 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -6,13 +6,13 @@
 #include "openttd.h"
 #include "debug.h"
 #include "variables.h"
-#include "string.h"
 #include "saveload.h"
 #include "md5.h"
 #include "network/network_data.h"
 #include "newgrf.h"
 #include "newgrf_config.h"
 #include "core/alloc_func.hpp"
+#include "string_func.h"
 
 #include "fileio.h"
 #include "fios.h"
diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index 3fc2de622a..e835eed6a5 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -15,6 +15,7 @@
 #include "strings_func.h"
 #include "window_func.h"
 #include "core/alloc_func.hpp"
+#include "string_func.h"
 
 /** Parse an integerlist string and set each found value
  * @param p the string to be parsed. Each element in the list is seperated by a
diff --git a/src/newgrf_text.cpp b/src/newgrf_text.cpp
index eb766871f0..f1b03e2376 100644
--- a/src/newgrf_text.cpp
+++ b/src/newgrf_text.cpp
@@ -12,7 +12,6 @@
 #include "stdafx.h"
 #include "debug.h"
 #include "openttd.h"
-#include "string.h"
 #include "variables.h"
 #include "table/strings.h"
 #include "newgrf.h"
@@ -21,6 +20,7 @@
 #include "strings_func.h"
 #include "core/alloc_func.hpp"
 #include "newgrf_storage.h"
+#include "string_func.h"
 
 #define GRFTAB  28
 #define TABSIZE 11
diff --git a/src/newgrf_townname.cpp b/src/newgrf_townname.cpp
index 90855aa271..fdaa662304 100644
--- a/src/newgrf_townname.cpp
+++ b/src/newgrf_townname.cpp
@@ -10,8 +10,8 @@
 #include "openttd.h"
 #include "table/strings.h"
 #include "newgrf_townname.h"
-#include "string.h"
 #include "core/alloc_func.hpp"
+#include "string_func.h"
 
 static GRFTownName *_grf_townnames = NULL;
 
diff --git a/src/news_gui.cpp b/src/news_gui.cpp
index dd8fb28e48..cd6611859b 100644
--- a/src/news_gui.cpp
+++ b/src/news_gui.cpp
@@ -10,13 +10,13 @@
 #include "viewport.h"
 #include "news.h"
 #include "variables.h"
-#include "string.h"
 #include "transparency.h"
 #include "strings_func.h"
 #include "window_func.h"
 #include "date_func.h"
 #include "vehicle_base.h"
 #include "sound_func.h"
+#include "string_func.h"
 
 /** @file news_gui.cpp
  *
diff --git a/src/openttd.cpp b/src/openttd.cpp
index f1b85c6975..f116264c01 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -4,7 +4,6 @@
 
 #include "stdafx.h"
 #define VARDEF
-#include "string.h"
 #include "debug.h"
 #include "driver.h"
 #include "saveload.h"
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index da2d824607..d2bd70db6c 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -22,6 +22,7 @@
 #include "functions.h"
 #include "window_func.h"
 #include "settings_type.h"
+#include "string_func.h"
 
 DEFINE_OLD_POOL_GENERIC(Order, Order)
 
diff --git a/src/os2.cpp b/src/os2.cpp
index 918c99cb15..2e3b5ae930 100644
--- a/src/os2.cpp
+++ b/src/os2.cpp
@@ -5,7 +5,6 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "variables.h"
-#include "string.h"
 #include "table/strings.h"
 #include "gui.h"
 #include "fileio.h"
diff --git a/src/player_gui.cpp b/src/player_gui.cpp
index 4fbad58999..dfa1ae2fe7 100644
--- a/src/player_gui.cpp
+++ b/src/player_gui.cpp
@@ -26,6 +26,7 @@
 #include "functions.h"
 #include "window_func.h"
 #include "date_func.h"
+#include "string_func.h"
 
 static void DoShowPlayerFinances(PlayerID player, bool show_small, bool show_stickied);
 static void DoSelectPlayerFace(PlayerID player, bool show_big);
diff --git a/src/players.cpp b/src/players.cpp
index 1b014651f2..0d1661b2c3 100644
--- a/src/players.cpp
+++ b/src/players.cpp
@@ -5,7 +5,6 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "engine.h"
-#include "string.h"
 #include "table/strings.h"
 #include "table/sprites.h"
 #include "player.h"
@@ -30,6 +29,7 @@
 #include "sound_func.h"
 #include "autoreplace_func.h"
 #include "autoreplace_gui.h"
+#include "string_func.h"
 
 /**
  * Sets the local player and updates the patch settings that are set on a
diff --git a/src/roadveh_gui.cpp b/src/roadveh_gui.cpp
index 16b5d062d4..85baa684cb 100644
--- a/src/roadveh_gui.cpp
+++ b/src/roadveh_gui.cpp
@@ -17,6 +17,7 @@
 #include "newgrf_engine.h"
 #include "strings_func.h"
 #include "vehicle_func.h"
+#include "string_func.h"
 
 
 void DrawRoadVehDetails(const Vehicle *v, int x, int y)
diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index 8b585f75a2..2ee41caab7 100644
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -9,7 +9,6 @@
 #include "player.h"
 #include "screenshot.h"
 #include "variables.h"
-#include "string.h"
 #include "blitter/factory.hpp"
 #include "fileio.h"
 #include "strings_func.h"
diff --git a/src/settings.cpp b/src/settings.cpp
index 28174c5de4..af6999ed45 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -23,7 +23,6 @@
 #include "openttd.h"
 #include "currency.h"
 #include "screenshot.h"
-#include "string.h"
 #include "variables.h"
 #include "network/network.h"
 #include "settings_internal.h"
@@ -48,6 +47,7 @@
 #endif
 #include "spritecache.h"
 #include "transparency.h"
+#include "string_func.h"
 
 GameOptions _opt;
 GameOptions _opt_newgame;
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
index b55b78b74d..3109bd61dc 100644
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -5,7 +5,6 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "currency.h"
-#include "string.h"
 #include "table/sprites.h"
 #include "table/strings.h"
 #include "gui.h"
@@ -25,6 +24,7 @@
 #include "window_func.h"
 #include "vehicle_base.h"
 #include "core/alloc_func.hpp"
+#include "string_func.h"
 
 static uint32 _difficulty_click_a;
 static uint32 _difficulty_click_b;
diff --git a/src/signs.cpp b/src/signs.cpp
index 628d517cfd..0e7d200dcf 100644
--- a/src/signs.cpp
+++ b/src/signs.cpp
@@ -11,7 +11,6 @@
 #include "saveload.h"
 #include "command_func.h"
 #include "variables.h"
-#include "string.h"
 #include "misc/autoptr.hpp"
 #include "strings_func.h"
 #include "viewport.h"
@@ -19,6 +18,7 @@
 #include "functions.h"
 #include "window_func.h"
 #include "map_func.h"
+#include "string_func.h"
 
 SignID _new_sign_id;
 uint _total_signs;
diff --git a/src/spritecache.cpp b/src/spritecache.cpp
index 55890bb4cb..0f5ba6cd22 100644
--- a/src/spritecache.cpp
+++ b/src/spritecache.cpp
@@ -5,7 +5,6 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "variables.h"
-#include "string.h"
 #include "debug.h"
 #include "spritecache.h"
 #include "table/sprites.h"
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 7d05bfc458..72ca2ce60d 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -4,7 +4,6 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "string.h"
 #include "aircraft.h"
 #include "bridge_map.h"
 #include "cmd_helper.h"
@@ -45,6 +44,7 @@
 #include "window_func.h"
 #include "date_func.h"
 #include "vehicle_func.h"
+#include "string_func.h"
 
 DEFINE_OLD_POOL_GENERIC(Station, Station)
 DEFINE_OLD_POOL_GENERIC(RoadStop, RoadStop)
diff --git a/src/strgen/strgen.cpp b/src/strgen/strgen.cpp
index b5d6208d20..1c5bed3a7f 100644
--- a/src/strgen/strgen.cpp
+++ b/src/strgen/strgen.cpp
@@ -1,10 +1,10 @@
 /* $Id$ */
 
 #include "../stdafx.h"
-#include "../string.h"
 #include "../table/control_codes.h"
 #include "../core/alloc_func.hpp"
 #include "../core/endian_func.hpp"
+#include "../string_func.h"
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/src/string.cpp b/src/string.cpp
index 056f310de8..2fc71621e7 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -4,10 +4,10 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "string.h"
 #include "table/control_codes.h"
 #include "debug.h"
 #include "core/alloc_func.hpp"
+#include "string_func.h"
 
 #include <stdarg.h>
 #include <ctype.h> // required for tolower()
diff --git a/src/string.h b/src/string_func.h
similarity index 92%
rename from src/string.h
rename to src/string_func.h
index bdbe9b46a2..6a8a6ced32 100644
--- a/src/string.h
+++ b/src/string_func.h
@@ -1,11 +1,12 @@
 /* $Id$ */
 
-/** @file string.h */
+/** @file string.h Functions related to low-level strings. */
 
-#ifndef STRING_H
-#define STRING_H
+#ifndef STRING_FUNC_H
+#define STRING_FUNC_H
 
 #include "core/bitmath_func.hpp"
+#include "string_type.h"
 
 /**
  * usage ttd_strlcpy(dst, src, lengthof(dst));
@@ -36,15 +37,6 @@ void str_validate(char *str);
 /** Scans the string for colour codes and strips them */
 void str_strip_colours(char *str);
 
-/**
- * Valid filter types for IsValidChar.
- */
-enum CharSetFilter {
-	CS_ALPHANUMERAL,      ///< Both numeric and alphabetic and spaces and stuff
-	CS_NUMERAL,           ///< Only numeric ones
-	CS_ALPHA,             ///< Only alphabetic values
-};
-
 /** Convert the given string to lowercase, only works with ASCII! */
 void strtolower(char *str);
 
@@ -63,8 +55,6 @@ static inline int ttd_strnlen(const char *str, int maxlen)
 /** Convert the md5sum number to a 'hexadecimal' string, return next pos in buffer */
 char *md5sumToString(char *buf, const char *last, const uint8 md5sum[16]);
 
-typedef uint32 WChar;
-
 /**
  * Only allow certain keys. You can define the filter to be used. This makes
  *  sure no invalid keys can get into an editbox, like BELL.
@@ -166,5 +156,4 @@ static inline bool IsWhitespace(WChar c)
 	;
 }
 
-
-#endif /* STRING_H */
+#endif /* STRING_FUNC_H */
diff --git a/src/string_type.h b/src/string_type.h
new file mode 100644
index 0000000000..4d9a39f301
--- /dev/null
+++ b/src/string_type.h
@@ -0,0 +1,19 @@
+/* $Id$ */
+
+/** @file string_type.h Types for strings. */
+
+#ifndef STRING_TYPE_H
+#define STRING_TYPE_H
+
+/**
+ * Valid filter types for IsValidChar.
+ */
+enum CharSetFilter {
+	CS_ALPHANUMERAL,      ///< Both numeric and alphabetic and spaces and stuff
+	CS_NUMERAL,           ///< Only numeric ones
+	CS_ALPHA,             ///< Only alphabetic values
+};
+
+typedef uint32 WChar;
+
+#endif /* STRING_TYPE_H */
diff --git a/src/strings.cpp b/src/strings.cpp
index 264947e916..e92c2fce4d 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -5,7 +5,6 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "currency.h"
-#include "string.h"
 #include "table/strings.h"
 #include "namegen.h"
 #include "station.h"
@@ -34,6 +33,7 @@
 #include "core/endian_func.hpp"
 #include "date_func.h"
 #include "vehicle_base.h"
+#include "string_func.h"
 
 /* for opendir/readdir/closedir */
 # include "fios.h"
diff --git a/src/textbuf_gui.h b/src/textbuf_gui.h
index 612c4a5d29..5f0f6bd789 100644
--- a/src/textbuf_gui.h
+++ b/src/textbuf_gui.h
@@ -5,8 +5,8 @@
 #ifndef TEXTBUF_GUI_H
 #define TEXTBUF_GUI_H
 
-#include "string.h"
 #include "window_type.h"
+#include "string_type.h"
 
 struct Textbuf {
 	char *buf;                  ///< buffer in which text is saved
diff --git a/src/texteff.cpp b/src/texteff.cpp
index 407ad8ebda..9aeefdaceb 100644
--- a/src/texteff.cpp
+++ b/src/texteff.cpp
@@ -9,7 +9,6 @@
 #include "viewport.h"
 #include "saveload.h"
 #include "console.h"
-#include "string.h"
 #include "variables.h"
 #include "table/sprites.h"
 #include "blitter/factory.hpp"
diff --git a/src/timetable_gui.cpp b/src/timetable_gui.cpp
index 35ae237024..9c70168b4a 100644
--- a/src/timetable_gui.cpp
+++ b/src/timetable_gui.cpp
@@ -11,11 +11,11 @@
 #include "gui.h"
 #include "window_gui.h"
 #include "textbuf_gui.h"
-#include "string.h"
 #include "cargotype.h"
 #include "depot.h"
 #include "strings_func.h"
 #include "vehicle_base.h"
+#include "string_func.h"
 
 static int GetOrderFromTimetableWndPt(Window *w, int y, const Vehicle *v)
 {
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 8d9e6863c4..3336f7936a 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -40,8 +40,8 @@
 #include "transparency.h"
 #include "tunnelbridge_map.h"
 #include "strings_func.h"
-#include "string.h"
 #include "window_func.h"
+#include "string_func.h"
 
 
 /* Initialize the town-pool */
diff --git a/src/unix.cpp b/src/unix.cpp
index 13e8378356..9ab974d259 100644
--- a/src/unix.cpp
+++ b/src/unix.cpp
@@ -4,7 +4,6 @@
 
 #include "stdafx.h"
 #include "openttd.h"
-#include "string.h"
 #include "table/strings.h"
 #include "variables.h"
 #include "textbuf_gui.h"
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index b9d32e7a19..259cd6bbab 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -46,6 +46,7 @@
 #include "variables.h"
 #include "autoreplace_func.h"
 #include "autoreplace_gui.h"
+#include "string_func.h"
 
 #define INVALID_COORD (0x7fffffff)
 #define GEN_HASH(x, y) ((GB((y), 6, 6) << 6) + GB((x), 7, 6))
diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp
index c9e3a10afd..9e372b793f 100644
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -34,6 +34,7 @@
 #include "vehicle_func.h"
 #include "autoreplace_gui.h"
 #include "core/alloc_func.hpp"
+#include "string_func.h"
 
 struct Sorting {
 	Listing aircraft;
diff --git a/src/waypoint.cpp b/src/waypoint.cpp
index a7d4267bc0..2aaecd7c68 100644
--- a/src/waypoint.cpp
+++ b/src/waypoint.cpp
@@ -19,7 +19,6 @@
 #include "table/strings.h"
 #include "yapf/yapf.h"
 #include "newgrf.h"
-#include "string.h"
 #include "misc/autoptr.hpp"
 #include "strings_func.h"
 #include "viewport.h"
@@ -29,6 +28,7 @@
 #include "date_func.h"
 #include "vehicle_func.h"
 #include "vehicle_base.h"
+#include "string_func.h"
 
 enum {
 	MAX_WAYPOINTS_PER_TOWN = 64,
diff --git a/src/win32.cpp b/src/win32.cpp
index 037c9beb1f..f5cacbbbc1 100644
--- a/src/win32.cpp
+++ b/src/win32.cpp
@@ -6,7 +6,6 @@
 #include "openttd.h"
 #include "debug.h"
 #include "saveload.h"
-#include "string.h"
 #include "gfx_func.h"
 #include "textbuf_gui.h"
 #include "fileio.h"
diff --git a/src/window_gui.h b/src/window_gui.h
index 316c76c936..fb8d707614 100644
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -5,7 +5,6 @@
 #ifndef WINDOW_GUI_H
 #define WINDOW_GUI_H
 
-#include "string.h"
 #include "order.h"
 #include "rail_type.h"
 #include "road_type.h"