+FcBool
+FcDirCacheUnlink (const FcChar8 *dir, FcConfig *config);
+
+void
+FcDirCacheUnload (FcCache *cache);
+
+FcCache *
+FcDirCacheScan (const FcChar8 *dir, FcConfig *config);
+
+FcCache *
+FcDirCacheLoad (const FcChar8 *dir, FcConfig *config, FcChar8 **cache_file);
+
+FcCache *
+FcDirCacheLoadFile (const FcChar8 *cache_file, struct stat *file_stat);