+unsigned int util_string_hash32(const char *key);
+uint64_t util_string_bloom64(const char *str);
+
+/* libudev-util-private.c */
+int util_create_path(struct udev *udev, const char *path);
+int util_delete_path(struct udev *udev, const char *path);
+int util_unlink_secure(struct udev *udev, const char *filename);
+uid_t util_lookup_user(struct udev *udev, const char *user);
+gid_t util_lookup_group(struct udev *udev, const char *group);
+int util_run_program(struct udev *udev, const char *command, char **envp,
+ char *result, size_t ressize, size_t *reslen,
+ const sigset_t *sigmask);
+int util_resolve_subsys_kernel(struct udev *udev, const char *string,
+ char *result, size_t maxsize, int read_value);
+
+/* libudev-selinux-private.c */
+#ifndef WITH_SELINUX
+static inline void udev_selinux_init(struct udev *udev) {}
+static inline void udev_selinux_exit(struct udev *udev) {}
+static inline void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) {}
+static inline void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) {}
+static inline void udev_selinux_resetfscreatecon(struct udev *udev) {}
+#else
+void udev_selinux_init(struct udev *udev);
+void udev_selinux_exit(struct udev *udev);
+void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode);
+void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode);
+void udev_selinux_resetfscreatecon(struct udev *udev);
+#endif