diff --git a/include/timeout.h b/include/timeout.h
new file mode 100644
index 000000000..09ca788de
--- /dev/null
+++ b/include/timeout.h
@@ -0,0 +1,44 @@
+/*	SCCS Id: @(#)timeout.h	3.3	1999/02/13	*/
+/* Copyright 1994, Dean Luick					  */
+/* NetHack may be freely redistributed.  See license for details. */
+
+#ifndef TIMEOUT_H
+#define TIMEOUT_H
+
+/* generic timeout function */
+typedef void FDECL((*timeout_proc), (genericptr_t, long));
+
+/* kind of timer */
+#define TIMER_LEVEL	0	/* event specific to level */
+#define TIMER_GLOBAL	1	/* event follows current play */
+#define TIMER_OBJECT	2	/* event follows a object */
+#define TIMER_MONSTER	3	/* event follows a monster */
+
+/* save/restore timer ranges */
+#define RANGE_LEVEL  0		/* save/restore timers staying on level */
+#define RANGE_GLOBAL 1		/* save/restore timers following global play */
+
+/*
+ * Timeout functions.  Add a define here, then put it in the table
+ * in timeout.c.  "One more level of indirection will fix everything."
+ */
+#define ROT_ORGANIC	0	/* for buried organics */
+#define ROT_CORPSE	1
+#define REVIVE_MON	2
+#define BURN_OBJECT	3
+#define HATCH_EGG	4
+#define FIG_TRANSFORM	5
+#define NUM_TIME_FUNCS	6
+
+/* used in timeout.c */
+typedef struct fe {
+    struct fe *next;		/* next item in chain */
+    long timeout;		/* when we time out */
+    unsigned long tid;		/* timer ID */
+    short kind;			/* kind of use */
+    short func_index;		/* what to call when we time out */
+    genericptr_t arg;		/* pointer to timeout argument */
+    Bitfield (needs_fixup,1);	/* does arg need to be patched? */
+} timer_element;
+
+#endif /* TIMEOUT_H */