--- src/callbacks.c.orig	Tue Mar  7 06:23:06 2000
+++ src/callbacks.c	Thu Apr 20 03:00:00 2000
@@ -529,7 +529,9 @@
 
 #ifdef linux
         sprintf(serial_port_prefix, "/dev/ttyS");
-#elif defined(BSD)
+#elif defined(__FreeBSD__)
+        sprintf(serial_port_prefix, "/dev/cuaa");
+#elif defined(__NetBSD__)
         sprintf(serial_port_prefix, "/dev/tty0");
 #else
         sprintf(serial_port_prefix, "/dev/tty0");