-int mixer_init(const char *);
-int mixer_get_avg(int);
-int mixer_get_left(int);
-int mixer_get_right(int);
+void parse_mixer_arg(struct text_object *, const char *);
+void print_mixer(struct text_object *, char *, int);
+void print_mixerl(struct text_object *, char *, int);
+void print_mixerr(struct text_object *, char *, int);
+int check_mixer_muted(struct text_object *);
+
+void scan_mixer_bar(struct text_object *, const char *);
+void print_mixer_bar(struct text_object *, char *, int);
+void print_mixerl_bar(struct text_object *, char *, int);
+void print_mixerr_bar(struct text_object *, char *, int);