--- ray/src/hd/rholo.c	1998/10/08 14:52:26	3.41
+++ ray/src/hd/rholo.c	1998/12/10 10:47:29	3.43
@@ -367,7 +367,7 @@ register HDGRID	*gp;
 		for (i = 0; i < 3; i++)
 			len[i] = VLEN(gp->xv[i]);
 		if (!vdef(GRID)) {
-			d = 2/5e5*( len[0]*len[0]*(len[1]*len[1] +
+			d = 2/2e5*( len[0]*len[0]*(len[1]*len[1] +
 					len[2]*len[2] + 4*len[1]*len[2])
 				+ len[1]*len[1]*len[2]*(len[2] + 4*len[0])
 				+ 4*len[0]*len[1]*len[2]*len[2] );
@@ -420,6 +420,7 @@ HDGRID	*gp;
 }
 
 
+int
 headline(s)			/* process information header line */
 char	*s;
 {
@@ -433,7 +434,7 @@ char	*s;
 					HOLOFMT, hdkfile, FMTSTR, fmt);
 			error(USER, errmsg);
 		}
-		return;
+		return(0);
 	}
 	for (cp = s; *cp; cp++)		/* take off any comments */
 		if (*cp == '#') {
@@ -441,6 +442,7 @@ char	*s;
 			break;
 		}
 	setvariable(s, matchvar);	/* don't flag errors */
+	return(0);
 }