+void ghb_save_queue(GValue *queue);
+GValue* ghb_load_queue();
+GValue* ghb_load_old_queue(int pid);
+void ghb_remove_queue_file(void);
+void ghb_remove_old_queue_file(int pid);
+gchar* ghb_get_user_config_dir(gchar *subdir);
+void ghb_settings_to_ui(signal_user_data_t *ud, GValue *dict);
+void ghb_clear_presets_selection(signal_user_data_t *ud);
+void ghb_select_preset(GtkBuilder *builder,
+ const GValue *preset);
+void ghb_select_default_preset(GtkBuilder *builder);
+void ghb_presets_list_init(signal_user_data_t *ud, gint *indices, gint len);
+GValue* ghb_parse_preset_path(const gchar *path);
+gchar* ghb_preset_path_string(const GValue *path);
+gboolean ghb_preset_is_custom(void);
+void ghb_prefs_store(void);
+void ghb_pref_set(GValue *settings, const gchar *key);
+gboolean ghb_lock_file(const gchar *name);
+void ghb_refresh_preset(signal_user_data_t *ud);
+int ghb_find_pid_file();
+void ghb_unlink_pid_file(int pid);
+void ghb_write_pid_file();