--- statserial-1.1.orig/statserial.c
+++ statserial-1.1/statserial.c
@@ -42,7 +42,7 @@
 
 /* global variables */
 char device[255];                          /* name of device to open */
-const char *defaultDevice = "/dev/cua1";   /* default device if none specified on command line */
+const char *defaultDevice = "/dev/ttyS1";   /* default device if none specified on command line */
 int n_option = 0;                          /* set if -n option is used */
 int d_option = 0;                          /* set if -d option is used */
 int x_option = 0;                          /* set if -x option is used */
@@ -118,7 +118,7 @@
   parse_args(argc, argv);
 
   /* open port */
-  fd = open(device, O_RDONLY);
+  fd = open(device, O_RDONLY | O_NONBLOCK | O_NOCTTY);
   if (fd == -1) {
     char s[255];
     sprintf(s, "statserial: can't open device `%s'", device);