+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_shift_path(const char *cgroup, const char *cached_root, const char **shifted);
+int cg_pid_get_path_shifted(pid_t pid, const char *cached_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_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);
+
+typedef const char* (*cg_migrate_callback_t)(CGroupControllerMask mask, void *userdata);
+
+int cg_create_everywhere(CGroupControllerMask supported, CGroupControllerMask mask, const char *path);
+int cg_attach_everywhere(CGroupControllerMask supported, const char *path, pid_t pid, cg_migrate_callback_t callback, void *userdata);
+int cg_attach_many_everywhere(CGroupControllerMask supported, const char *path, Set* pids, cg_migrate_callback_t callback, void *userdata);
+int cg_migrate_everywhere(CGroupControllerMask supported, const char *from, const char *to, cg_migrate_callback_t callback, void *userdata);
+int cg_trim_everywhere(CGroupControllerMask supported, const char *path, bool delete_root);
+
+CGroupControllerMask cg_mask_supported(void);