--- a/xrogue/util.c	Fri Feb 19 21:02:28 2016 -0500
+++ b/xrogue/util.c	Wed Mar 02 21:13:26 2016 -0500
@@ -26,8 +26,7 @@
  */
 
 int 
-ac_compute(ignoremetal)
-bool ignoremetal;
+ac_compute(bool ignoremetal)
 {
     register int ac;
 
@@ -60,8 +59,8 @@
  *      aggravate all the monsters on this level
  */
 
-aggravate(do_uniques, do_good)
-bool do_uniques, do_good;
+void
+aggravate(bool do_uniques, bool do_good)
 {
     register struct linked_list *mi;
     register struct thing *thingptr;
@@ -78,8 +77,8 @@
  *      returns true if the hero can see a certain coordinate.
  */
 
-cansee(y, x)
-register int y, x;
+bool
+cansee(int y, int x)
 {
     register struct room *rer;
     register int radius;
@@ -126,7 +125,7 @@
  */
 
 long
-check_level()
+check_level(void)
 {
     register int i, j, add = 0;
     register unsigned long exp;
@@ -170,8 +169,8 @@
  * it keeps track of the highest it has been, just in case
  */
 
-chg_str(amt)
-register int amt;
+void
+chg_str(int amt)
 {
     register int ring_str;              /* ring strengths */
     register struct stats *ptr;         /* for speed */
@@ -195,7 +194,8 @@
  * let's confuse the player
  */
 
-confus_player()
+void
+confus_player(void)
 {
     if (off(player, ISCLEAR))
     {
@@ -213,7 +213,8 @@
  * this routine computes the players current dexterity
  */
 
-dex_compute()
+int
+dex_compute(void)
 {
     if (cur_misc[WEAR_GAUNTLET] != NULL         &&
         cur_misc[WEAR_GAUNTLET]->o_which == MM_G_DEXTERITY) {
@@ -231,9 +232,8 @@
  *      Check to see if the move is legal if it is diagonal
  */
 
-diag_ok(sp, ep, flgptr)
-register coord *sp, *ep;
-struct thing *flgptr;
+bool
+diag_ok(coord *sp, coord *ep, struct thing *flgptr)
 {
     register int numpaths = 0;
 
@@ -254,10 +254,7 @@
  */
 
 coord *
-fallpos(pos, be_clear, range)
-register coord *pos;
-bool be_clear;
-int range;
+fallpos(coord *pos, bool be_clear, int range)
 {
         register int tried, i, j;
         register char ch;
@@ -333,8 +330,8 @@
  *      Find the index into the monster table of a monster given its name.
  */
 
-findmindex(name)
-char *name;
+int
+findmindex(char *name)
 {
     int which;
 
@@ -355,9 +352,7 @@
  */
 
 struct linked_list *
-find_mons(y, x)
-register int y;
-register int x;
+find_mons(int y, int x)
 {
     register struct linked_list *item;
     register struct thing *th;
@@ -377,9 +372,7 @@
  */
 
 struct linked_list *
-find_obj(y, x)
-register int y;
-register int x;
+find_obj(int y, int x)
 {
     register struct linked_list *obj;
     register struct object *op;
@@ -398,7 +391,7 @@
  */
 
 coord 
-get_coordinates()
+get_coordinates(void)
 {
     register int which;
     coord c;
@@ -458,8 +451,7 @@
  */
 
 bool
-get_dir(direction)
-coord *direction;
+get_dir(coord *direction)
 {
     register char *prompt;
     register bool gotit;
@@ -519,8 +511,7 @@
  */
 
 long
-get_worth(obj)
-reg struct object *obj;
+get_worth(struct object *obj)
 {
         reg long worth, wh;
 
@@ -591,8 +582,7 @@
  */
 
 bool
-invisible(monst)
-register struct thing *monst;
+invisible(struct thing *monst)
 {
         register bool   ret_code;
 
@@ -608,8 +598,8 @@
  * see if the object is one of the currently used items
  */
 
-is_current(obj)
-register struct object *obj;
+bool
+is_current(struct object *obj)
 {
     if (obj == NULL)
         return FALSE;
@@ -648,11 +638,12 @@
 /*
  * Look:
  *      A quick glance all around the player
+ *	wakeup: Should we wake up monsters
+ *	runend: At end of a run -- for mazes
  */
 
-look(wakeup, runend)
-bool wakeup;    /* Should we wake up monsters */
-bool runend;    /* At end of a run -- for mazes */
+void
+look(bool wakeup, bool runend)
 {
     register int x, y, radius;
     register unsigned char ch, och;
@@ -937,8 +928,8 @@
  * Lower a level of experience 
  */
 
-lower_level(who)
-short who;
+void
+lower_level(short who)
 {
     int fewer, nsides;
 	unsigned long exp;
@@ -975,8 +966,7 @@
  */
 
 char *
-monster_name(tp)
-register struct thing *tp;
+monster_name(struct thing *tp)
 {
     prbuf[0] = '\0';
     if (on(*tp, ISFLEE) || on(*tp, WASTURNED))
@@ -1007,8 +997,7 @@
  */
 
 bool
-move_hero(why)
-int why;
+move_hero(int why)
 {
     char *action = NULL;
     unsigned char which;
@@ -1053,7 +1042,8 @@
  *      The guy just magically went up a level.
  */
 
-raise_level()
+void
+raise_level(void)
 {
     unsigned long test;  /* Next level -- be sure it is not an overflow */
 
@@ -1105,12 +1095,13 @@
 /*
  * save:
  *      See if a creature saves against something
+ * which: which type of save
+ * who: who is saving
+ * adj: saving throw adjustment
  */
 
-save(which, who, adj)
-int which;              /* which type of save */
-struct thing *who;      /* who is saving */
-int adj;                /* saving throw adjustment */
+bool
+save(int which, struct thing *who, int adj)
 {
     register int need, level, protect;
 
@@ -1167,8 +1158,8 @@
  *      Figure out what a secret door looks like.
  */
 
-secretdoor(y, x)
-register int y, x;
+char
+secretdoor(int y, int x)
 {
     register int i;
     register struct room *rp;
@@ -1192,7 +1183,8 @@
  * this routine computes the players current strength
  */
 
-str_compute()
+int
+str_compute(void)
 {
     if (cur_misc[WEAR_GAUNTLET] != NULL         &&
         cur_misc[WEAR_GAUNTLET]->o_which == MM_G_OGRE) {
@@ -1209,9 +1201,8 @@
  * copy string using unctrl for things
  */
 
-strucpy(s1, s2, len)
-register char *s1, *s2;
-register int len;
+void
+strucpy(char *s1, char *s2, int len)
 {
     register char *sp;
     while (len--)
@@ -1229,8 +1220,7 @@
  */
 
 char *
-tr_name(ch)
-char ch;
+tr_name(char ch)
 {
     register char *s = NULL;
 
@@ -1263,8 +1253,7 @@
  */
 
 char *
-vowelstr(str)
-register char *str;
+vowelstr(char *str)
 {
     switch (*str)
     {
@@ -1283,8 +1272,8 @@
  * wake up a room full (hopefully) of creatures
  */
 
-wake_room(rp)
-register struct room *rp;
+void
+wake_room(struct room *rp)
 {
         register struct linked_list *item;
         register struct thing *tp;
@@ -1302,7 +1291,8 @@
  *      Do nothing but let other things happen
  */
 
-waste_time()
+void
+waste_time(void)
 {
     if (inwhgt)                 /* if from wghtchk then done */
         return;