#define GS_DEBUG_WRITE 0x00000040
#ifdef __KERNEL__
-void gs_put_char(struct tty_struct *tty, unsigned char ch);
+int gs_put_char(struct tty_struct *tty, unsigned char ch);
int gs_write(struct tty_struct *tty,
const unsigned char *buf, int count);
int gs_write_room(struct tty_struct *tty);
int gs_block_til_ready(void *port, struct file *filp);
void gs_close(struct tty_struct *tty, struct file *filp);
void gs_set_termios (struct tty_struct * tty,
- struct termios * old_termios);
+ struct ktermios * old_termios);
int gs_init_port(struct gs_port *port);
int gs_setserial(struct gs_port *port, struct serial_struct __user *sp);
int gs_getserial(struct gs_port *port, struct serial_struct __user *sp);