diff --git a/arogue5/daemon.c b/arogue5/daemon.c
index 59fc05d..102744b 100644
--- a/arogue5/daemon.c
+++ b/arogue5/daemon.c
@@ -70,7 +70,7 @@ f_slot(void)
  *	Find a particular slot in the table
  */
 struct delayed_action *
-find_slot(int (*func)())
+find_slot(void (*func)())
 {
 	reg int i;
 	reg struct delayed_action *dev;
@@ -87,7 +87,7 @@ find_slot(int (*func)())
  *	Start a daemon, takes a function.
  */
 void
-start_daemon(int (*func)(), void *arg, int type)
+start_daemon(void (*func)(), void *arg, int type)
 {
 	reg struct delayed_action *dev;
 
@@ -107,7 +107,7 @@ start_daemon(int (*func)(), void *arg, int type)
  *	Remove a daemon from the list
  */
 void
-kill_daemon(int (*func)())
+kill_daemon(void (*func)())
 {
 	reg struct delayed_action *dev;
 	reg int i;
@@ -155,7 +155,7 @@ do_daemons(int flag)
  *	Start a fuse to go off in a certain number of turns
  */
 void
-fuse(int (*func)(), void *arg, int time, int type)
+fuse(void (*func)(), void *arg, int time, int type)
 {
 	reg struct delayed_action *wire;
 
@@ -175,7 +175,7 @@ fuse(int (*func)(), void *arg, int time, int type)
  *	Increase the time until a fuse goes off
  */
 void
-lengthen(int (*func)(), int xtime)
+lengthen(void (*func)(), int xtime)
 {
 	reg struct delayed_action *wire;
 
@@ -190,7 +190,7 @@ lengthen(int (*func)(), int xtime)
  *	Put out a fuse
  */
 void
-extinguish(int (*func)())
+extinguish(void (*func)())
 {
 	reg struct delayed_action *wire;
 
diff --git a/arogue5/rogue.h b/arogue5/rogue.h
index 8bb1936..9be0567 100644
--- a/arogue5/rogue.h
+++ b/arogue5/rogue.h
@@ -724,7 +724,7 @@
 
 struct delayed_action {
 	int d_type;
-	int (*d_func)();
+	void (*d_func)();
 	void *d_arg;
 	int d_time;
 };
@@ -1013,17 +1013,17 @@ int     encread(char *start, unsigned int size, int inf);
 int     encwrite(char *start, unsigned int size, FILE *outf);
 void    endit(int sig);
 void    endmsg(void);
-void    extinguish(int (*func)());
+void    extinguish(void (*func)());
 void    fall(struct linked_list *item, bool pr);
 coord  *fallpos(coord *pos, bool be_clear, int range);
 void    fatal(char *s);
 bool    fight(coord *mp, struct object *weap, bool thrown);
 struct linked_list *find_mons(int y, int x);
 struct linked_list *find_obj(int y, int x);
-struct delayed_action *find_slot(int (*func)());
+struct delayed_action *find_slot(void (*func)());
 void    fix_stick(struct object *cur);
 void    fumble(void);
-void    fuse(int (*func)(), void *arg, int time, int type);
+void    fuse(void (*func)(), void *arg, int time, int type);
 void    genmonsters(int least, bool treas);
 bool    get_dir(void);
 struct linked_list *get_item(struct linked_list *list, char *purpose, int type);
@@ -1053,11 +1053,11 @@ bool    is_current(struct object *obj);
 bool    is_magic(struct object *obj);
 bool    isatrap(char ch);
 int     itemweight(struct object *wh);
-void    kill_daemon(int (*func)());
+void    kill_daemon(void (*func)());
 void    killed(struct linked_list *item, bool pr, bool points);
 void    lake_check(coord *place);
 void    land(void);
-void    lengthen(int (*func)(), int xtime);
+void    lengthen(void (*func)(), int xtime);
 void    light(coord *cp);
 bool    lit_room(struct room *rp);
 void    look(bool wakeup, bool runend);
@@ -1133,7 +1133,7 @@ bool    shoot_ok(char ch);
 char    show(int y, int x);
 void    sight(void);
 struct linked_list *spec_item(int type, int which, int hit, int damage);
-void    start_daemon(int (*func)(), void *arg, int type);
+void    start_daemon(void (*func)(), void *arg, int type);
 void    status(bool display);
 void    steal(void);
 bool    step_ok(int y, int x, int can_on_monst, struct thing *flgptr);
diff --git a/arogue7/daemon.c b/arogue7/daemon.c
index 5addb22..3a6138c 100644
--- a/arogue7/daemon.c
+++ b/arogue7/daemon.c
@@ -78,7 +78,7 @@ f_slot(void)
  *	Find a particular slot in the table
  */
 struct delayed_action *
-find_slot(int (*func)())
+find_slot(void (*func)())
 {
 	reg int i;
 	reg struct delayed_action *dev;
@@ -95,7 +95,7 @@ find_slot(int (*func)())
  *	Start a daemon, takes a function.
  */
 void
-start_daemon(int (*func)(), int arg, int type)
+start_daemon(void (*func)(), int arg, int type)
 {
 	reg struct delayed_action *dev;
 
@@ -115,7 +115,7 @@ start_daemon(int (*func)(), int arg, int type)
  *	Remove a daemon from the list
  */
 void
-kill_daemon(int (*func)())
+kill_daemon(void (*func)())
 {
 	reg struct delayed_action *dev;
 	reg int i;
@@ -163,7 +163,7 @@ do_daemons(int flag)
  *	Start a fuse to go off in a certain number of turns
  */
 void
-fuse(int (*func)(), int arg, int time, int type)
+fuse(void (*func)(), int arg, int time, int type)
 {
 	reg struct delayed_action *wire;
 
@@ -183,7 +183,7 @@ fuse(int (*func)(), int arg, int time, int type)
  *	Increase the time until a fuse goes off
  */
 void
-lengthen(int (*func)(), int xtime)
+lengthen(void (*func)(), int xtime)
 {
 	reg struct delayed_action *wire;
 
@@ -198,7 +198,7 @@ lengthen(int (*func)(), int xtime)
  *	Put out a fuse
  */
 void
-extinguish(int (*func)())
+extinguish(void (*func)())
 {
 	reg struct delayed_action *wire;
 
diff --git a/arogue7/rogue.h b/arogue7/rogue.h
index 0544bea..048f54a 100644
--- a/arogue7/rogue.h
+++ b/arogue7/rogue.h
@@ -1113,7 +1113,7 @@ struct quill {
 
 struct delayed_action {
 	int d_type;
-	int (*d_func)();
+	void (*d_func)();
 	union {
 	    int arg;
 	    void *varg;
@@ -1212,18 +1212,18 @@ int     encread(char *start, unsigned int size, int inf);
 int     encwrite(char *start, unsigned int size, int outf);
 void    endmsg(void);
 void    explode(struct thing *tp);
-void    extinguish(int (*func)());
+void    extinguish(void (*func)());
 void    fall(struct linked_list *item, bool pr);
 coord  *fallpos(coord *pos, bool be_clear, int range);
 void    fatal(char *s);
 bool    fight(coord *mp, struct object *weap, bool thrown);
 struct linked_list *find_mons(int y, int x);
 struct linked_list *find_obj(int y, int x);
-struct delayed_action *find_slot(int (*func)());
+struct delayed_action *find_slot(void (*func)());
 int     findmindex(char *name);
 void    fix_stick(struct object *cur);
 void    fumble(void);
-void    fuse(int (*func)(), int arg, int time, int type);
+void    fuse(void (*func)(), int arg, int time, int type);
 void    genmonsters(int least, bool treas);
 coord   get_coordinates(void);
 bool    get_dir(coord *direction);
@@ -1256,11 +1256,11 @@ bool    is_current(struct object *obj);
 bool    is_magic(struct object *obj);
 bool    isatrap(char ch);
 int     itemweight(struct object *wh);
-void    kill_daemon(int (*func)());
+void    kill_daemon(void (*func)());
 void    killed(struct linked_list *item, bool pr, bool points, bool treasure);
 void    lake_check(coord *place);
 void    land(void);
-void    lengthen(int (*func)(), int xtime);
+void    lengthen(void (*func)(), int xtime);
 void    light(coord *cp);
 bool    lit_room(struct room *rp);
 void    look(bool wakeup, bool runend);
@@ -1357,7 +1357,7 @@ bool    skirmish(struct thing *attacker, coord *mp, struct object *weap,
                  bool thrown);
 struct linked_list *spec_item(int type, int which, int hit, int damage);
 void    spell_recovery(void);
-void    start_daemon(int (*func)(), int arg, int type);
+void    start_daemon(void (*func)(), int arg, int type);
 void    status(bool display);
 void    steal(void);
 bool    step_ok(int y, int x, int can_on_monst, struct thing *flgptr);
diff --git a/arogue7/state.c b/arogue7/state.c
index 98fe107..928ae05 100644
--- a/arogue7/state.c
+++ b/arogue7/state.c
@@ -1504,7 +1504,7 @@ rs_write_daemons(FILE *savef, struct delayed_action *d_list, int count)
             func = 15;
         else if (d_list[i].d_func == unstink)
             func = 16;
-        else if (d_list[i].d_func == (int (*)()) res_strength)
+        else if (d_list[i].d_func == res_strength)
             func = 17;
         else if (d_list[i].d_func == undance)
             func = 18;
@@ -1644,7 +1644,7 @@ rs_read_daemons(int inf, struct delayed_action *d_list, int count)
                      break;
             case 16: d_list[i].d_func = unstink;
                      break;
-            case 17: d_list[i].d_func = (int (*)()) res_strength;
+            case 17: d_list[i].d_func = res_strength;
                      break;
             case 18: d_list[i].d_func = undance;
                      break;
diff --git a/rogue4/daemon.c b/rogue4/daemon.c
index fa02989..48b1463 100644
--- a/rogue4/daemon.c
+++ b/rogue4/daemon.c
@@ -48,7 +48,7 @@ d_slot(void)
  *	Find a particular slot in the table
  */
 struct delayed_action *
-find_slot(int (*func)())
+find_slot(void (*func)())
 {
     register int i;
     register struct delayed_action *dev;
@@ -64,7 +64,7 @@ find_slot(int (*func)())
  *	Start a daemon, takes a function.
  */
 void
-start_daemon(int (*func)(), int arg, int type)
+start_daemon(void (*func)(), int arg, int type)
 {
     register struct delayed_action *dev;
 
@@ -80,7 +80,7 @@ start_daemon(int (*func)(), int arg, int type)
  *	Remove a daemon from the list
  */
 void
-kill_daemon(int (*func)())
+kill_daemon(void (*func)())
 {
     register struct delayed_action *dev;
 
@@ -118,7 +118,7 @@ do_daemons(int flag)
  *	Start a fuse to go off in a certain number of turns
  */
 void
-fuse(int (*func)(), int arg, int time, int type)
+fuse(void (*func)(), int arg, int time, int type)
 {
     register struct delayed_action *wire;
 
@@ -134,7 +134,7 @@ fuse(int (*func)(), int arg, int time, int type)
  *	Increase the time until a fuse goes off
  */
 void
-lengthen(int (*func)(), int xtime)
+lengthen(void (*func)(), int xtime)
 {
     register struct delayed_action *wire;
 
@@ -148,7 +148,7 @@ lengthen(int (*func)(), int xtime)
  *	Put out a fuse
  */
 void
-extinguish(int (*func)())
+extinguish(void (*func)())
 {
     register struct delayed_action *wire;
 
diff --git a/rogue4/rogue.h b/rogue4/rogue.h
index 8fc4e6e..d0c1326 100644
--- a/rogue4/rogue.h
+++ b/rogue4/rogue.h
@@ -324,7 +324,7 @@ typedef struct {
 
 struct delayed_action {
     int d_type;
-    int (*d_func)();
+    void (*d_func)();
     int d_arg;
     int d_time;
 };
@@ -517,7 +517,7 @@ int     encread(void *starta, int size, int inf);
 void    encwrite(void *starta, int size, FILE *outf);
 void    endmsg(void);
 void    enter_room(coord *cp);
-void    extinguish(int (*func)());
+void    extinguish(void (*func)());
 void    fall(THING *obj, bool pr);
 bool    fallpos(coord *pos, coord *newpos, bool pass);
 void    fatal(char *s);
@@ -526,7 +526,7 @@ THING  *find_obj(int y, int x);
 void    fire_bolt(coord *start, coord *dir, char *name);
 void    fix_stick(THING *cur);
 void    flush_type(void);
-void    fuse(int (*func)(), int arg, int time, int type);
+void    fuse(void (*func)(), int arg, int time, int type);
 void    genocide(void);
 bool    get_dir(void);
 THING  *get_item(char *purpose, int type);
@@ -547,11 +547,11 @@ void    invis_on(void);
 bool    is_current(THING *obj);
 bool    is_magic(THING *obj);
 bool    issymlink(char *sp);
-void    kill_daemon(int (*func)());
+void    kill_daemon(void (*func)());
 void    killed(THING *tp, bool pr);
 void    leave(int sig);
 void    leave_room(coord *cp);
-void    lengthen(int (*func)(), int xtime);
+void    lengthen(void (*func)(), int xtime);
 bool    lock_sc(void);
 void    look(bool wakeup);
 void    missile(int ydelta, int xdelta);
@@ -601,7 +601,7 @@ void    shell(void);
 void    show_win(WINDOW *scr, char *message);
 void    sight(void);
 int     sign(int nm);
-void    start_daemon(int (*func)(), int arg, int type);
+void    start_daemon(void (*func)(), int arg, int type);
 void    start_score(void);
 void    status(void);
 bool    step_ok(char ch);
diff --git a/srogue/daemon.c b/srogue/daemon.c
index 441f1e0..40035fb 100644
--- a/srogue/daemon.c
+++ b/srogue/daemon.c
@@ -34,7 +34,7 @@ struct delayed_action d_list[MAXDAEMONS] = {
  *	Insert a function in the daemon list.
  */
 struct delayed_action *
-d_insert(int (*func)(), int arg, int type, int time)
+d_insert(void (*func)(), int arg, int type, int time)
 {
 	reg struct delayed_action *dev;
 
@@ -72,7 +72,7 @@ d_delete(struct delayed_action *wire)
  *	Find a particular slot in the table
  */
 struct delayed_action *
-find_slot(int (*func)())
+find_slot(void (*func)())
 {
 	reg struct delayed_action *dev;
 
@@ -87,7 +87,7 @@ find_slot(int (*func)())
  *	Start a daemon, takes a function.
  */
 void
-start_daemon(int (*func)(), int arg, int type)
+start_daemon(void (*func)(), int arg, int type)
 {
 	d_insert(func, arg, type, DAEMON);
 }
@@ -112,7 +112,7 @@ do_daemons(int flag)
  *	Start a fuse to go off in a certain number of turns
  */
 void
-fuse(int (*func)(), int arg, int time)
+fuse(void (*func)(), int arg, int time)
 {
 	d_insert(func, arg, AFTER, time);
 }
@@ -122,7 +122,7 @@ fuse(int (*func)(), int arg, int time)
  *	Increase the time until a fuse goes off
  */
 void
-lengthen(int (*func)(), int xtime)
+lengthen(void (*func)(), int xtime)
 {
 	reg struct delayed_action *wire;
 
@@ -136,7 +136,7 @@ lengthen(int (*func)(), int xtime)
  *	Put out a fuse. Find all such fuses and kill them.
  */
 void
-extinguish(int (*func)())
+extinguish(void (*func)())
 {
 	reg struct delayed_action *dev;
 
diff --git a/srogue/rogue.ext b/srogue/rogue.ext
index 6439723..b009320 100644
--- a/srogue/rogue.ext
+++ b/srogue/rogue.ext
@@ -96,7 +96,7 @@ int     encread(void *starta, unsigned int size, int inf);
 void    encwrite(void *starta, unsigned int size, FILE *outf);
 void    endit(int a);
 void    endmsg(void);
-void    extinguish(int (*func)());
+void    extinguish(void (*func)());
 int     extras(void);
 void    fall(struct linked_list *item, bool pr);
 bool    fallpos(struct coord *pos, struct coord *newpos, bool passages);
@@ -105,7 +105,7 @@ bool    fight(struct coord *mp, struct object *weap, bool thrown);
 struct linked_list *find_mons(int y, int x);
 struct linked_list *find_obj(int y, int x);
 void    fix_stick(struct object *cur);
-void    fuse(int (*func)(), int arg, int time);
+void    fuse(void (*func)(), int arg, int time);
 void    game_err(int a);
 void    genocide(void);
 bool    get_dir(void);
@@ -140,7 +140,7 @@ bool    isatrap(char ch);
 bool    isring(int hand, int ring);
 bool    iswearing(int ring);
 void    killed(struct linked_list *item, bool pr);
-void    lengthen(int (*func)(), int xtime);
+void    lengthen(void (*func)(), int xtime);
 void    lev_mon(void);
 void    light(struct coord *cp);
 void    look(bool wakeup);
@@ -215,7 +215,7 @@ void    setup(void);
 char    show(int y, int x);
 bool    showtop(int showname);
 void    sight(int fromfuse);
-void    start_daemon(int (*func)(), int arg, int type);
+void    start_daemon(void (*func)(), int arg, int type);
 void    status(int fromfuse);
 bool    step_ok(unsigned char ch);
 void    stomach(int fromfuse);
diff --git a/srogue/rogue.h b/srogue/rogue.h
index d171fe2..9c5adec 100644
--- a/srogue/rogue.h
+++ b/srogue/rogue.h
@@ -531,7 +531,7 @@ char *xcrypt(const char *key, const char *setting);
 
 struct delayed_action {
 	int d_type;
-	int (*d_func)();
+	void (*d_func)();
 	int d_arg;
 	int d_time;
 };
diff --git a/xrogue/daemon.c b/xrogue/daemon.c
index 8d36bc7..09c245e 100644
--- a/xrogue/daemon.c
+++ b/xrogue/daemon.c
@@ -74,7 +74,7 @@ f_slot(void)
  */
 
 struct delayed_action *
-find_slot(int (*func)())
+find_slot(void (*func)())
 {
         reg int i;
         reg struct delayed_action *dev;
@@ -91,7 +91,7 @@ find_slot(int (*func)())
  */
 
 void
-start_daemon(int (*dfunc)(), VOID *arg, int type)
+start_daemon(void (*dfunc)(), VOID *arg, int type)
 {
         reg struct delayed_action *dev;
 
@@ -111,7 +111,7 @@ start_daemon(int (*dfunc)(), VOID *arg, int type)
  */
 
 void
-kill_daemon(int (*dfunc)())
+kill_daemon(void (*dfunc)())
 {
         reg struct delayed_action *dev;
         reg int i;
@@ -164,7 +164,7 @@ do_daemons(int flag)
  */
 
 void
-fuse(int (*dfunc)(), VOID *arg, int time, int type)
+fuse(void (*dfunc)(), VOID *arg, int time, int type)
 {
         reg struct delayed_action *wire;
 
@@ -184,7 +184,7 @@ fuse(int (*dfunc)(), VOID *arg, int time, int type)
  */
 
 void
-lengthen(int (*dfunc)(), int xtime)
+lengthen(void (*dfunc)(), int xtime)
 {
         reg struct delayed_action *wire;
 
@@ -199,7 +199,7 @@ lengthen(int (*dfunc)(), int xtime)
  */
 
 void
-extinguish(int (*dfunc)())
+extinguish(void (*dfunc)())
 {
         reg struct delayed_action *wire;
 
diff --git a/xrogue/daemons.c b/xrogue/daemons.c
index 82e431d..06f8167 100644
--- a/xrogue/daemons.c
+++ b/xrogue/daemons.c
@@ -222,13 +222,12 @@ unphase(void)
  *      Player can no longer fly
  */
 
-int
+void
 land(void)
 {
     turn_off(player, ISFLY);
     msg("You regain your normal weight");
     running = FALSE;
-    return(0);
 }
 
 /*
@@ -253,7 +252,7 @@ sight(void)
  *      Restore player's strength
  */
 
-int
+void
 res_strength(long howmuch)
 {
 
@@ -271,7 +270,6 @@ res_strength(long howmuch)
             min(pstats.s_str + howmuch, max_stats.s_str + ring_value(R_ADDSTR));
 
     updpack(TRUE, &player);
-    return(0);
 }
 
 /*
@@ -507,12 +505,11 @@ alchemy(struct object *obj)
  * otto's irresistable dance wears off 
  */
  
-int
+void
 undance(void)
 {
     turn_off(player, ISDANCE);
     msg ("Your feet take a break.....whew!");
-    return(0);
 }
 
 /* 
@@ -637,12 +634,11 @@ unskill(void)
  * charge up the cloak of Emori
  */
  
-int
+void
 cloak_charge(struct object *obj)
 {
     if (obj->o_charges < 1)
         obj->o_charges = 1;
-    return(0);
 }
 
 /*
diff --git a/xrogue/potions.c b/xrogue/potions.c
index 7c0d197..b409f0b 100644
--- a/xrogue/potions.c
+++ b/xrogue/potions.c
@@ -27,11 +27,11 @@ int add_intelligence(int change);
 int add_strength(int change);
 int add_wisdom(int change);
 
-int res_charisma(int howmuch);
-int res_constitution(int howmuch);
-int res_dexterity(int howmuch);
-int res_intelligence(int howmuch);
-int res_wisdom(int howmuch);
+void res_charisma(int howmuch);
+void res_constitution(int howmuch);
+void res_dexterity(int howmuch);
+void res_intelligence(int howmuch);
+void res_wisdom(int howmuch);
 
 /*
  * add_abil is an array of functions used to change attributes.  It must be
@@ -48,7 +48,7 @@ int (*add_abil[NUMABILITIES])() = {
  * ordered according to the attribute definitions in rogue.h.
  */
 
-int (*res_abil[NUMABILITIES])() = {
+void (*res_abil[NUMABILITIES])() = {
     res_intelligence, res_strength, res_wisdom, res_dexterity,
     res_constitution, res_charisma
 };
@@ -945,13 +945,13 @@ quaff(int which, int kind, int flags, bool is_potion)
  *      if called with zero the restore fully
  */
 
-int
+void
 res_dexterity(int howmuch)
 {
     short save_max;
     int ring_str;
 
-    if (howmuch < 0) return(0);
+    if (howmuch < 0) return;
 
     /* Discount the ring value */
     ring_str = ring_value(R_ADDHIT);
@@ -970,7 +970,7 @@ res_dexterity(int howmuch)
         pstats.s_dext += ring_str;
         max_stats.s_dext = save_max;
     }
-    return(0);
+    return;
 }
 
 /*
@@ -978,13 +978,13 @@ res_dexterity(int howmuch)
  *      Restore player's intelligence
  */
 
-int
+void
 res_intelligence(int howmuch)
 {
     short save_max;
     int ring_str;
 
-    if (howmuch <= 0) return(0);
+    if (howmuch <= 0) return;
 
     /* Discount the ring value */
     ring_str = ring_value(R_ADDINTEL);
@@ -998,7 +998,7 @@ res_intelligence(int howmuch)
         pstats.s_intel += ring_str;
         max_stats.s_intel = save_max;
     }
-    return(0);
+    return;
 }
 
 /*
@@ -1006,13 +1006,13 @@ res_intelligence(int howmuch)
  *      Restore player's wisdom
  */
 
-int
+void
 res_wisdom(int howmuch)
 {
     short save_max;
     int ring_str;
 
-    if (howmuch <= 0) return(0);
+    if (howmuch <= 0) return;
 
     /* Discount the ring value */
     ring_str = ring_value(R_ADDWISDOM);
@@ -1026,7 +1026,7 @@ res_wisdom(int howmuch)
         pstats.s_wisdom += ring_str;
         max_stats.s_wisdom = save_max;
     }
-    return(0);
+    return;
 }
 
 /*
@@ -1034,13 +1034,13 @@ res_wisdom(int howmuch)
  *      Restore the players constitution.
  */
 
-int
+void
 res_constitution(int howmuch)
 {
     if (howmuch > 0)
         pstats.s_const = min(pstats.s_const + howmuch, max_stats.s_const);
 
-    return(0);
+    return;
 }
 
 /*
@@ -1048,12 +1048,12 @@ res_constitution(int howmuch)
  *      Restore the players charisma.
  */
 
-int
+void
 res_charisma(int howmuch)
 {
     if (howmuch > 0)
         pstats.s_charisma =
             min(pstats.s_charisma + howmuch, max_stats.s_charisma);
 
-    return(0);
+    return;
 }
diff --git a/xrogue/rogue.h b/xrogue/rogue.h
index 547cb80..409d71d 100644
--- a/xrogue/rogue.h
+++ b/xrogue/rogue.h
@@ -933,7 +933,7 @@
 
 struct delayed_action {
     int d_type;
-    int (*d_func)();
+    void (*d_func)();
 	union {
 		VOID *vp;
 		int  i;
@@ -1258,7 +1258,7 @@ long    check_level(void);
 void    check_residue(struct thing *tp);
 void    chg_str(int amt);
 void    choose_qst(void);
-int     cloak_charge(struct object *obj);
+void    cloak_charge(struct object *obj);
 void    command(void);
 void    confus_player(void);
 int     const_bonus(void);
@@ -1310,19 +1310,19 @@ void    endit(int sig);
 void    endmsg(void);
 void    exit_game(int flag);
 void    explode(struct thing *tp);
-void    extinguish(int (*dfunc)());
+void    extinguish(void (*dfunc)());
 void    fall(struct linked_list *item, bool pr);
 coord  *fallpos(coord *pos, bool be_clear, int range);
 void    fatal(char *s);
 bool    fight(coord *mp, struct object *weap, bool thrown);
 struct linked_list *find_mons(int y, int x);
 struct linked_list *find_obj(int y, int x);
-struct delayed_action *find_slot(int (*func)());
+struct delayed_action *find_slot(void (*func)());
 int     findmindex(char *name);
 void    fix_stick(struct object *cur);
 void    fright(struct thing *th);
 void    fumble(void);
-void    fuse(int (*dfunc)(), VOID *arg, int time, int type);
+void    fuse(void (*dfunc)(), VOID *arg, int time, int type);
 void    genmonsters(int least, bool treas);
 coord   get_coordinates(void);
 bool    get_dir(coord *direction);
@@ -1359,10 +1359,10 @@ bool    is_current(struct object *obj);
 bool    is_magic(struct object *obj);
 bool    isatrap(char ch);
 int     itemweight(struct object *wh);
-void    kill_daemon(int (*dfunc)());
+void    kill_daemon(void (*dfunc)());
 void    killed(struct linked_list *item, bool pr, bool points, bool treasure);
-int     land(void);
-void    lengthen(int (*dfunc)(), int xtime);
+void    land(void);
+void    lengthen(void (*dfunc)(), int xtime);
 void    light(coord *cp);
 bool    lit_room(struct room *rp);
 void    look(bool wakeup, bool runend);
@@ -1415,7 +1415,7 @@ void    raise_level(void);
 short   randmonster(bool wander, bool no_unique);
 void    read_scroll(int which, int flag, bool is_scroll);
 void    reap(void);
-int     res_strength(long howmuch);
+void    res_strength(long howmuch);
 bool    restore(char *file, char *envp[]);
 void    restscr(WINDOW *scr);
 int     ring_eat(int hand);
@@ -1452,7 +1452,7 @@ bool    skirmish(struct thing *attacker, coord *mp, struct object *weap,
                  bool thrown);
 struct linked_list *spec_item(int type, int which, int hit, int damage);
 void    spell_recovery(void);
-void    start_daemon(int (*dfunc)(), VOID *arg, int type);
+void    start_daemon(void (*dfunc)(), VOID *arg, int type);
 void    status(bool display);
 void    steal(void);
 bool    step_ok(int y, int x, int can_on_monst, struct thing *flgptr);
@@ -1475,7 +1475,7 @@ void    trap_look(void);
 void    unchoke(void);
 void    unclrhead(void);
 void    unconfuse(void);
-int     undance(void);
+void    undance(void);
 void    unphase(void);
 void    unsee(void);
 void    unskill(void);
@@ -1648,7 +1648,6 @@ extern FILE *scorefi;
 extern FILE *logfile;
 extern LEVTYPE levtype;
 extern int (*add_abil[NUMABILITIES])(int); /* Functions to change abilities */
-extern int (*res_abil[NUMABILITIES])(); /* Functions to change abilities */
 extern int mf_count;       /* move_free counter - see actions.c(m_act()) */
 extern int mf_jmpcnt;      /* move_free counter for # of jumps        */
 extern int killed_chance;  /* cumulative chance for goodies to loose it, fight.c */