+int cg_get_root_path(char **path);
+
+int cg_path_get_session(const char *path, char **session);
+int cg_path_get_owner_uid(const char *path, uid_t *uid);
+int cg_path_get_unit(const char *path, char **unit);
+int cg_path_get_user_unit(const char *path, char **unit);
+int cg_path_get_machine_name(const char *path, char **machine);
+int cg_path_get_slice(const char *path, char **slice);
+
+int cg_pid_get_path_shifted(pid_t pid, char **root, char **cgroup);
+
+int cg_pid_get_session(pid_t pid, char **session);
+int cg_pid_get_owner_uid(pid_t pid, uid_t *uid);
+int cg_pid_get_unit(pid_t pid, char **unit);
+int cg_pid_get_user_unit(pid_t pid, char **unit);
+int cg_pid_get_machine_name(pid_t pid, char **machine);
+int cg_pid_get_slice(pid_t pid, char **slice);
+
+int cg_path_decode_unit(const char *cgroup, char **unit);
+
+char **cg_shorten_controllers(char **controllers);
+
+int cg_controller_from_attr(const char *attr, char **controller);
+
+char *cg_escape(const char *p);
+char *cg_unescape(const char *p) _pure_;
+
+bool cg_controller_is_valid(const char *p, bool allow_named);
+
+int cg_slice_to_path(const char *unit, char **ret);
+
+int cg_create_with_mask(CGroupControllerMask mask, const char *path);
+int cg_attach_with_mask(CGroupControllerMask mask, const char *path, pid_t pid);
+int cg_migrate_with_mask(CGroupControllerMask mask, const char *from, const char *to);
+int cg_trim_with_mask(CGroupControllerMask mask, const char *path, bool delete_root);