-extern int line_config(struct line *lines, int num, char *str);
-extern int line_remove(struct line *lines, int num, char *str);
-extern int line_get_config(char *dev, struct line *lines, int num, char *str,
+
+extern int line_config(struct line *lines, unsigned int sizeof_lines,
+ char *str, struct chan_opts *opts);
+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_get_config(char *dev, struct line *lines,
+ unsigned int sizeof_lines, char *str,