extern int volume_id_get_usage(struct volume_id *id, const char **usage);
extern int volume_id_get_type(struct volume_id *id, const char **type);
extern int volume_id_get_type_version(struct volume_id *id, const char **type_version);
extern int volume_id_get_usage(struct volume_id *id, const char **usage);
extern int volume_id_get_type(struct volume_id *id, const char **type);
extern int volume_id_get_type_version(struct volume_id *id, const char **type_version);