--- a/rogue4/misc.c	Fri Feb 26 17:30:30 2016 -0500
+++ b/rogue4/misc.c	Wed Mar 02 21:28:34 2016 -0500
@@ -21,8 +21,7 @@
  *	Print the name of a trap
  */
 char *
-tr_name(type)
-char type;
+tr_name(char type)
 {
     switch (type)
     {
@@ -47,8 +46,8 @@
  * look:
  *	A quick glance all around the player
  */
-look(wakeup)
-bool wakeup;
+void
+look(bool wakeup)
 {
     register int x, y;
     register unsigned char ch;
@@ -204,8 +203,7 @@
  *	Find the unclaimed object at y, x
  */
 THING *
-find_obj(y, x)
-register int y, x;
+find_obj(int y, int x)
 {
     register THING *op;
 
@@ -225,7 +223,8 @@
  * eat:
  *	She wants to eat something, so let her try
  */
-eat()
+void
+eat(void)
 {
     register THING *obj;
 
@@ -272,8 +271,8 @@
  *	Used to modify the playes strength.  It keeps track of the
  *	highest it has been, just in case
  */
-chg_str(amt)
-register int amt;
+void
+chg_str(int amt)
 {
     str_t comp;
 
@@ -293,9 +292,8 @@
  * add_str:
  *	Perform the actual add, checking upper and lower bound limits
  */
-add_str(sp, amt)
-register str_t *sp;
-int amt;
+void
+add_str(str_t *sp, int amt)
 {
     if ((*sp += amt) < 3)
 	*sp = 3;
@@ -307,8 +305,8 @@
  * add_haste:
  *	Add a haste to the player
  */
-add_haste(potion)
-bool potion;
+bool
+add_haste(bool potion)
 {
     if (on(player, ISHASTE))
     {
@@ -332,7 +330,8 @@
  * aggravate:
  *	Aggravate all the monsters on this level
  */
-aggravate()
+void
+aggravate(void)
 {
     register THING *mi;
 
@@ -346,8 +345,7 @@
  *	"an".
  */
 char *
-vowelstr(str)
-register char *str;
+vowelstr(char *str)
 {
     switch (*str)
     {
@@ -366,8 +364,8 @@
  * is_current:
  *	See if the object is one of the currently used items
  */
-is_current(obj)
-register THING *obj;
+bool
+is_current(THING *obj)
 {
     if (obj == NULL)
 	return FALSE;
@@ -387,7 +385,8 @@
  *      Set up the direction co_ordinate for use in varios "prefix"
  *	commands
  */
-get_dir()
+bool
+get_dir(void)
 {
     register char *prompt;
     register bool gotit;
@@ -430,8 +429,8 @@
  * sign:
  *	Return the sign of the number
  */
-sign(nm)
-register int nm;
+int
+sign(int nm)
 {
     if (nm < 0)
 	return -1;
@@ -443,8 +442,8 @@
  * spread:
  *	Give a spread around a given number (+/- 10%)
  */
-spread(nm)
-register int nm;
+int
+spread(int nm)
 {
     return nm - nm / 10 + rnd(nm / 5);
 }
@@ -453,9 +452,8 @@
  * call_it:
  *	Call an object something after use.
  */
-call_it(know, guess)
-register bool know;
-register char **guess;
+void
+call_it(bool know, char **guess)
 {
     if (know && *guess)
     {