+
+void hexdump(FILE *f, const void *p, size_t s);
+
+union file_handle_union {
+ struct file_handle handle;
+ char padding[sizeof(struct file_handle) + MAX_HANDLE_SZ];
+};
+
+int update_reboot_param_file(const char *param);
+
+int umount_recursive(const char *target, int flags);
+
+int bind_remount_recursive(const char *prefix, bool ro);
+
+int fflush_and_check(FILE *f);
+
+int tempfn_xxxxxx(const char *p, char **ret);
+int tempfn_random(const char *p, char **ret);
+int tempfn_random_child(const char *p, char **ret);
+
+bool is_localhost(const char *hostname);
+
+int take_password_lock(const char *root);
+
+int is_symlink(const char *path);
+int is_dir(const char *path, bool follow);
+
+int unquote_first_word(const char **p, char **ret, bool relax);
+int unquote_many_words(const char **p, ...) _sentinel_;
+
+int free_and_strdup(char **p, const char *s);
+
+int sethostname_idempotent(const char *s);
+
+#define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX + 1)
+
+#define FOREACH_INOTIFY_EVENT(e, buffer, sz) \
+ for ((e) = (struct inotify_event*) (buffer); \
+ (uint8_t*) (e) < (uint8_t*) (buffer) + (sz); \
+ (e) = (struct inotify_event*) ((uint8_t*) (e) + sizeof(struct inotify_event) + (e)->len))