diff --git a/include/edog.h b/include/edog.h
new file mode 100644
index 000000000..ef9f9a12f
--- /dev/null
+++ b/include/edog.h
@@ -0,0 +1,33 @@
+/*	SCCS Id: @(#)edog.h	3.3	97/10/23	*/
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* NetHack may be freely redistributed.  See license for details. */
+
+#ifndef EDOG_H
+#define EDOG_H
+
+/*	various types of food, the lower, the better liked.	*/
+
+#define DOGFOOD 0
+#define CADAVER 1
+#define ACCFOOD 2
+#define MANFOOD 3
+#define APPORT	4
+#define POISON	5
+#define UNDEF	6
+#define TABU	7
+
+struct edog {
+	long droptime;			/* moment dog dropped object */
+	unsigned dropdist;		/* dist of drpped obj from @ */
+	int apport;			/* amount of training */
+	long whistletime;		/* last time he whistled */
+	long hungrytime;		/* will get hungry at this time */
+	coord ogoal;			/* previous goal location */
+	int abuse;			/* track abuses to this pet */
+	int revivals;			/* count pet deaths */
+	int mhpmax_penalty;		/* while starving, points reduced */
+	Bitfield(killed_by_u, 1);	/* you attempted to kill him */
+};
+#define EDOG(mon)	((struct edog *)&(mon)->mextra[0])
+
+#endif /* EDOG_H */