--- a/xrogue/maze.c	Fri Feb 19 21:02:28 2016 -0500
+++ b/xrogue/maze.c	Wed Mar 02 21:13:26 2016 -0500
@@ -27,8 +27,11 @@
 
 static char     *maze_frontier, *maze_bits;
 static int      maze_lines, maze_cols;
-static char     *moffset(), *foffset();
-static int      rmwall(),findcells(),crankout(),draw_maze();
+static char    *moffset(int y, int x);
+static char    *foffset(int y, int x);
+static void     rmwall(int newy, int newx, int oldy, int oldx);
+static void     draw_maze(void);
+static int      findcells(int y, int x);
 
 /*
  * crankout:
@@ -36,7 +39,8 @@
  */
 
 static
-crankout()
+void
+crankout(void)
 {
     reg int x, y;
 
@@ -70,7 +74,8 @@
  *      Draw the maze on this level.
  */
 
-do_maze()
+void
+do_maze(void)
 {
         reg int least;
         reg struct room *rp;
@@ -94,7 +99,7 @@
         /*
          * add some gold to make it worth looking for 
          */
-        item = spec_item(GOLD, NULL, NULL, NULL);
+        item = spec_item(GOLD, 0, 0, 0);
         obj = OBJPTR(item);
         obj->o_count *= (rnd(50) + 50);         /* add in one large hunk */
         attach(lvl_obj, item);
@@ -107,7 +112,7 @@
         /*
          * add in some food to make sure he has enough
          */
-        item = spec_item(FOOD, NULL, NULL, NULL);
+        item = spec_item(FOOD, 0, 0, 0);
         obj = OBJPTR(item);
         attach(lvl_obj, item);
         do {
@@ -146,7 +151,8 @@
  */
 
 static
-draw_maze()
+void
+draw_maze(void)
 {
         reg int i, j, more;
         reg char *ptr;
@@ -183,8 +189,8 @@
  *      Figure out cells to open up 
  */
 
-static findcells(y,x)
-reg int x, y;
+static int
+findcells(int y, int x)
 {
         reg int rtpos, i;
 
@@ -236,8 +242,7 @@
  */
 
 static char *
-foffset(y, x)
-int y, x;
+foffset(int y, int x)
 {
 
         return (maze_frontier + (y * maze_cols) + x);
@@ -251,8 +256,7 @@
  */
 
 bool
-maze_view(y, x)
-int y, x;
+maze_view(int y, int x)
 {
     register int start, goal, delta, ycheck = 0, xcheck = 0, absy, absx, see_radius;
     register bool row;
@@ -360,8 +364,7 @@
  */
 
 static char *
-moffset(y, x)
-int y, x;
+moffset(int y, int x)
 {
     return (maze_bits + (y * (cols - 1)) + x);
 }
@@ -371,8 +374,8 @@
  *      Removes appropriate walls from the maze
  */
 static
-rmwall(newy, newx, oldy, oldx)
-int newy, newx, oldy, oldx;
+void
+rmwall(int newy, int newx, int oldy, int oldx)
 {
         reg int xdif,ydif;