extern void line_close(struct tty_struct *tty, struct file * filp);
extern int line_open(struct line *lines, struct tty_struct *tty);
extern int line_setup(struct line *lines, unsigned int sizeof_lines,
- char *init);
+ char *init, char **error_out);
extern int line_write(struct tty_struct *tty, const unsigned char *buf,
int len);
extern void line_put_char(struct tty_struct *tty, unsigned char ch);
extern void close_lines(struct line *lines, int nlines);
extern int line_config(struct line *lines, unsigned int sizeof_lines,
- char *str, const struct chan_opts *opts);
+ char *str, const struct chan_opts *opts,
+ char **error_out);
extern int line_id(char **str, int *start_out, int *end_out);
-extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
+extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n,
+ char **error_out);
extern int line_get_config(char *dev, struct line *lines,
unsigned int sizeof_lines, char *str,
int size, char **error_out);