--- a/arogue5/move.c	Sun Jan 31 13:45:07 2016 -0500
+++ b/arogue5/move.c	Sun Feb 07 14:39:21 2016 -0500
@@ -37,9 +37,8 @@
  *	The guy stepped on a trap.... Make him pay.
  */
 
-be_trapped(th, tc)
-register struct thing *th;
-register coord *tc;
+char
+be_trapped(struct thing *th, coord *tc)
 {
     register struct trap *tp;
     register char ch;
@@ -353,8 +352,7 @@
  */
 
 bool
-blue_light(blessed, cursed)
-bool blessed, cursed;
+blue_light(bool blessed, bool cursed)
 {
     register struct room *rp;
     bool ret_val=FALSE;	/* Whether or not affect is known */
@@ -413,8 +411,8 @@
  * 	If not, if player came from a legal place, then try to turn him.
  */
 
-corr_move(dy, dx)
-int dy, dx;
+void
+corr_move(int dy, int dx)
 {
     int legal=0;		/* Number of legal alternatives */
     register int y, x,		/* Indexes though possible positions */
@@ -491,7 +489,8 @@
  * dip_it:
  *	Dip an object into a magic pool
  */
-dip_it()
+void
+dip_it(void)
 {
 	reg struct linked_list *what;
 	reg struct object *ob;
@@ -667,8 +666,8 @@
  * consequences (fighting, picking up, etc.)
  */
 
-do_move(dy, dx)
-int dy, dx;
+void
+do_move(int dy, int dx)
 {
     register struct room *rp, *orp;
     register char ch;
@@ -878,8 +877,8 @@
  *	Start the hero running
  */
 
-do_run(ch)
-char ch;
+void
+do_run(char ch)
 {
     firstmove = TRUE;
     running = TRUE;
@@ -894,11 +893,9 @@
  *	Returns TRUE if it could find it, FALSE otherwise.
  */
 bool
-getdelta(match, dy, dx)
-char match;
-int *dy, *dx;
+getdelta(char match, int *dy, int *dx)
 {
-    register y, x;
+    int y, x;
 
     for (y = 0; y < 3; y++)
 	for (x = 0; x < 3; x++)
@@ -915,8 +912,8 @@
  * isatrap:
  *	Returns TRUE if this character is some kind of trap
  */
-isatrap(ch)
-reg char ch;
+bool
+isatrap(char ch)
 {
 	switch(ch) {
 		case DARTTRAP:
@@ -936,8 +933,8 @@
  * If it is dark, remove anything that might move.
  */
 
-light(cp)
-coord *cp;
+void
+light(coord *cp)
 {
     register struct room *rp;
     register int j, k, x, y;
@@ -1113,8 +1110,7 @@
  */
 
 bool
-lit_room(rp)
-register struct room *rp;
+lit_room(struct room *rp)
 {
     register struct linked_list *fire_item;
     register struct thing *fire_creature;
@@ -1150,8 +1146,7 @@
  */
 
 coord *
-rndmove(who)
-struct thing *who;
+rndmove(struct thing *who)
 {
     register int x, y;
     register int ex, ey, nopen = 0;
@@ -1192,9 +1187,8 @@
  *	set a trap at (y, x) on screen.
  */
 
-set_trap(tp, y, x)
-register struct thing *tp;
-register int y, x;
+void
+set_trap(struct thing *tp, int y, int x)
 {
     register bool is_player = (tp == &player);
     register char selection = rnd(7) + '1';
@@ -1330,8 +1324,8 @@
  *	returns what a certain thing will display as to the un-initiated
  */
 
-show(y, x)
-register int y, x;
+char
+show(int y, int x)
 {
     register char ch = CCHAR( winat(y, x) );
     register struct linked_list *it;
@@ -1371,8 +1365,7 @@
  */
 
 struct trap *
-trap_at(y, x)
-register int y, x;
+trap_at(int y, int x)
 {
     register struct trap *tp, *ep;