int serial_getc (void);
int serial_tstc (void);
-/* These versions take a stdio_dev pointer */
-struct stdio_dev;
-int serial_stub_getc(struct stdio_dev *sdev);
-int serial_stub_tstc(struct stdio_dev *sdev);
-
/* $(CPU)/speed.c */
int get_clocks (void);
ulong get_bus_freq (ulong);