--- ray/src/px/clrtab.c	1994/06/10 12:51:16	2.10
+++ ray/src/px/clrtab.c	2003/04/23 00:52:34	2.13
@@ -1,9 +1,6 @@
-/* Copyright (c) 1993 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: clrtab.c,v 2.13 2003/04/23 00:52:34 greg Exp $";
 #endif
-
 /*
  * Simple median-cut color quantization based on colortab.c
  */
@@ -40,7 +37,11 @@ static int	CLRCUBE[3][2] = {0,NRED,0,NGRN,0,NBLU};
 #endif
 #endif
 
+static	cut(), mktabent(), closest(), addneigh(), setclosest();
+static int	split();
+static unsigned	dist();
 
+
 new_histo(n)		/* clear our histogram */
 int	n;
 {
@@ -118,7 +119,7 @@ int	n;
 
 	if (n != N) {		/* get error propogation array */
 		if (N) {
-			free((char *)cerr);
+			free((void *)cerr);
 			cerr = NULL;
 		}
 		if (n)
@@ -336,7 +337,8 @@ int	j;
 		if (nl[i][t] == i) {		/* add to list */
 			nl[i][t++] = j;
 			if (t % NBSIZ == 0) {	/* enlarge list */
-				if ((nnl = realloc(nl[i], t+NBSIZ)) == NULL)
+				if ((nnl = realloc((void *)nl[i],
+						t+NBSIZ)) == NULL)
 					t--;
 				else
 					nl[i] = (BYTE *)nnl;