-int get_termios_get_ioctl(void);
-int get_termios_set_ioctl(void);
-int get_termios_size(void);
-int get_termios_speed(void *data);
-void set_termios_speed(void *data, int speed);
-int get_termiox_size(void);
-int get_termiox_flow(void *data);
-void set_termiox_flow(void *data, int flags);
+SP_PRIV unsigned long get_termios_get_ioctl(void);
+SP_PRIV unsigned long get_termios_set_ioctl(void);
+SP_PRIV size_t get_termios_size(void);
+SP_PRIV int get_termios_speed(void *data);
+SP_PRIV void set_termios_speed(void *data, int speed);
+SP_PRIV size_t get_termiox_size(void);
+SP_PRIV int get_termiox_flow(void *data, int *rts, int *cts, int *dtr, int *dsr);
+SP_PRIV void set_termiox_flow(void *data, int rts, int cts, int dtr, int dsr);