--- ray/src/rt/devmain.c	1990/01/08 15:07:30	1.5
+++ ray/src/rt/devmain.c	1990/01/30 11:37:52	1.7
@@ -62,7 +62,7 @@ char	*argv[];
 	if ((dev = dinit(argv[0], argv[3])) == NULL)
 		quit(1);
 	putw(COM_RECVM, devout);		/* verify initialization */
-	fwrite(&dev->pixaspect, sizeof(dev->pixaspect), 1, devout);
+	fwrite((char *)&dev->pixaspect, sizeof(dev->pixaspect), 1, devout);
 	putw(dev->xsiz, devout);
 	putw(dev->ysiz, devout);
 	fflush(devout);
@@ -103,7 +103,7 @@ r_paintr()				/* paint a rectangle */
 	int	xmin, ymin, xmax, ymax;
 
 	nrays += 5;			/* pretend */
-	fread(col, sizeof(COLOR), 1, devin);
+	fread((char *)col, sizeof(COLOR), 1, devin);
 	xmin = getw(devin); ymin = getw(devin);
 	xmax = getw(devin); ymax = getw(devin);
 	(*dev->paintr)(col, xmin, ymin, xmax, ymax);
@@ -145,9 +145,15 @@ r_comout()				/* print string to command line */
 
 r_comin()				/* read string from command line */
 {
-	char	buf[256];
+	char	buf[256], *prompt;
+					/* get prompt */
+	if (getc(devin)) {
+		mygets(buf, devin);
+		prompt = buf;
+	} else
+		prompt = NULL;
 					/* get string */
-	(*dev->comin)(buf);
+	(*dev->comin)(buf, prompt);
 					/* reply */
 	putc(COM_COMIN, devout);
 	myputs(buf, devout);