int cg_get_user_path(char **path);
int cg_pid_get_cgroup(pid_t pid, char **root, char **cgroup);
int cg_pid_get_unit(pid_t pid, char **unit);
+int cg_pid_get_user_unit(pid_t pid, char **unit);
+
+int cgroup_to_unit(char *cgroup, char **unit);
char **cg_shorten_controllers(char **controllers);
+
+int cg_controller_from_attr(const char *attr, char **controller);