--- a/xrogue/list.c	Fri Feb 19 21:02:28 2016 -0500
+++ b/xrogue/list.c	Wed Mar 02 21:13:26 2016 -0500
@@ -21,13 +21,16 @@
 #include <curses.h>
 #include "rogue.h"
 
+void r_discard(struct linked_list *item);
+void t_discard(struct linked_list *item);
+
 /*
  * detach:
  *      Takes an item out of whatever linked list it might be in
  */
 
-_detach(list, item)
-register struct linked_list **list, *item;
+void
+_detach(struct linked_list **list, struct linked_list *item)
 {
     if (*list == item)
         *list = next(item);
@@ -42,8 +45,8 @@
  *      add an item to the head of a list
  */
 
-_attach(list, item)
-register struct linked_list **list, *item;
+void
+_attach(struct linked_list **list, struct linked_list *item)
 {
     if (*list != NULL)
     {
@@ -65,8 +68,8 @@
  *      Throw the whole object list away
  */
 
-_o_free_list(ptr)
-register struct linked_list **ptr;
+void
+_o_free_list(struct linked_list **ptr)
 {
     register struct linked_list *item;
 
@@ -83,8 +86,8 @@
  *      free up an item and its object(and maybe contents)
  */
 
-o_discard(item)
-register struct linked_list *item;
+void
+o_discard(struct linked_list *item)
 {
     register struct object *obj;
 
@@ -102,8 +105,8 @@
        discard the item (monster) itself as that belong to mlist.
 */
 
-_r_free_fire_list(ptr)
-register struct linked_list **ptr;
+void
+_r_free_fire_list(struct linked_list **ptr)
 {
     register struct linked_list *item;
 
@@ -119,8 +122,8 @@
  *      Throw the whole list of room exits away
  */
 
-_r_free_list(ptr)
-register struct linked_list **ptr;
+void
+_r_free_list(struct linked_list **ptr)
 {
     register struct linked_list *item;
 
@@ -137,8 +140,8 @@
  *      free up an item and its room
  */
 
-r_discard(item)
-register struct linked_list *item;
+void
+r_discard(struct linked_list *item)
 {
     total -= 2;
     FREE(DOORPTR(item));
@@ -150,8 +153,8 @@
  *      Throw the whole thing list away
  */
 
-_t_free_list(ptr)
-register struct linked_list **ptr;
+void
+_t_free_list(struct linked_list **ptr)
 {
     register struct linked_list *item;
 
@@ -168,8 +171,8 @@
  *      free up an item and its thing
  */
 
-t_discard(item)
-register struct linked_list *item;
+void
+t_discard(struct linked_list *item)
 {
     register struct thing *tp;
 
@@ -187,8 +190,8 @@
  *      get rid of an item structure -- don't worry about contents
  */
 
-destroy_item(item)
-register struct linked_list *item;
+void
+destroy_item(struct linked_list *item)
 {
     total--;
     FREE(item);
@@ -200,8 +203,7 @@
  */
 
 struct linked_list *
-new_item(size)
-int size;
+new_item(int size)
 {
     register struct linked_list *item;
 
@@ -220,7 +222,7 @@
  */
 
 struct linked_list *
-creat_item()
+creat_item(void)
 {
     register struct linked_list *item;
 
@@ -231,8 +233,7 @@
 }
 
 char *
-new(size)
-int size;
+new(int size)
 {
     register char *space = ALLOC(size);