*/
struct config *config_load();
-void config_save(struct config *);
+void config_save(const struct config *);
void config_cleanup();
-struct color *config_get_sensor_color(char *, struct color *);
-void config_set_sensor_color(char *, struct color *);
+struct color *config_get_sensor_color(const char *sid, const struct color *);
+void config_set_sensor_color(const char *sid, const struct color *);
int config_get_sensor_alarm_limit(char *, int);
void config_set_sensor_alarm_limit(char *, int);