diff --git a/src/newgrf_townname.h b/src/newgrf_townname.h
new file mode 100644
--- /dev/null
+++ b/src/newgrf_townname.h
@@ -0,0 +1,44 @@
+/* $Id$ */
+#ifndef NEWGRF_TOWNNAME_H
+#define NEWGRF_TOWNNAME_H
+
+/** @file newgrf_townname.h
+ * Header of Action 0F "universal holder" structure and functions
+ */
+
+struct NamePart {
+	byte prob;     ///< The relative probablity of the following name to appear in the bottom 7 bits.
+	union {
+		char *text;    ///< If probability bit 7 is clear
+		byte id;       ///< If probability bit 7 is set
+	} data;
+};
+
+struct NamePartList {
+	byte partcount;
+	byte bitstart;
+	byte bitcount;
+	uint16 maxprob;
+	NamePart *parts;
+};
+
+struct GRFTownName {
+	uint32 grfid;
+	byte nb_gen;
+	byte id[128];
+	StringID name[128];
+	byte nbparts[128];
+	NamePartList *partlist[128];
+	GRFTownName *next;
+};
+
+GRFTownName *AddGRFTownName(uint32 grfid);
+GRFTownName *GetGRFTownName(uint32 grfid);
+void DelGRFTownName(uint32 grfid);
+void CleanUpGRFTownNames();
+StringID *GetGRFTownNameList();
+char *GRFTownNameGenerate(char *buf, uint32 grfid, uint16 gen, uint32 seed, const char *last);
+uint32 GetGRFTownNameId(int gen);
+uint16 GetGRFTownNameType(int gen);
+
+#endif /* NEWGRF_TOWNNAME_H */