--- ray/src/rt/colortab.c	1990/01/16 16:00:00	1.10
+++ ray/src/rt/colortab.c	1990/02/23 10:08:33	1.13
@@ -80,7 +80,7 @@ int	ncolors;
 				/* partition color space */
 	cut(ctree, 0, CLRCUBE, 0, ncolors);
 				/* clear histogram */
-	bzero(histo, sizeof(histo));
+	bzero((char *)histo, sizeof(histo));
 				/* return number of colors used */
 	return(ncolors);
 }
@@ -129,9 +129,10 @@ int	(*set_pixel)();
 		clrtab[h].ent[RED] = r;
 		clrtab[h].ent[GRN] = g;	/* reassign pixel */
 		clrtab[h].ent[BLU] = b;
-#ifdef notdef
-		printf("pixel %d = (%d,%d,%d) (%d refs)\n",
+#ifdef DEBUG
+		sprintf(errmsg, "pixel %d = (%d,%d,%d) (%d refs)\n",
 				h, r, g, b, clrtab[h].n);
+		eputs(errmsg);
 #endif
 		(*set_pixel)(h, r, g, b);
 	}
@@ -155,12 +156,22 @@ double  gam;
 set_cmap(rmap, gmap, bmap)	/* set custom color correction map */
 BYTE	*rmap, *gmap, *bmap;
 {
-	bcopy(rmap, clrmap[RED], 256);
-	bcopy(gmap, clrmap[GRN], 256);
-	bcopy(bmap, clrmap[BLU], 256);
+	bcopy((char *)rmap, (char *)clrmap[RED], 256);
+	bcopy((char *)gmap, (char *)clrmap[GRN], 256);
+	bcopy((char *)bmap, (char *)clrmap[BLU], 256);
 }
 
 
+map_color(rgb, col)		/* map a color to a byte triplet */
+BYTE	rgb[3];
+COLOR	col;
+{
+	rgb[RED] = map_col(col,RED);
+	rgb[GRN] = map_col(col,GRN);
+	rgb[BLU] = map_col(col,BLU);
+}
+
+
 static
 cut(tree, level, box, c0, c1)		/* partition color space */
 register CNODE	*tree;
@@ -176,7 +187,7 @@ int	c0, c1;
 	}
 					/* split box */
 	*tree = split(box);
-	bcopy(box, kb, sizeof(kb));
+	bcopy((char *)box, (char *)kb, sizeof(kb));
 						/* do left (lesser) branch */
 	kb[prim(*tree)][1] = part(*tree);
 	cut(tree+(1<<level), level+1, kb, c0, (c0+c1)>>1);