--- ray/src/rt/devcomm.c	1989/06/02 17:21:24	1.4
+++ ray/src/rt/devcomm.c	1989/07/27 22:25:12	1.6
@@ -27,7 +27,7 @@ static char SCCSid[] = "$SunId$ LBL";
 #endif
 
 #ifndef WFLUSH
-#define WFLUSH		50		/* flush after this many rays */
+#define WFLUSH		30		/* flush after this many rays */
 #endif
 
 extern char	*getpath(), *getenv();
@@ -55,7 +55,7 @@ char	*argv[];
 	char	*devname;
 	int	p1[2], p2[2];
 
-	if ((devname = getpath(argv[0], DEVPATH)) == NULL) {
+	if ((devname = getpath(argv[0], DEVPATH, 1)) == NULL) {
 		stderr_v(argv[0]);
 		stderr_v(": not found\n");
 		return(NULL);