Fixed compile errors on FreeBSD related to cfmakeraw and friends on the

serial port side.  Also fixed problems with ioperm on the parallel port
side.

Added --waittime option to the server to specify how long the server
should leave a screen up before changing to the next screen.

server/screen.h

@@ -16,6 +16,9 @@ typedef struct screen {
 	client *parent;
 } screen;
 
+extern int  default_duration ;
+extern int  default_priority ;
+
 screen *screen_create ();
 int screen_destroy (screen * s);