HB_BEGIN_DECLS
-hb_script_t
+HB_EXTERN hb_script_t
hb_glib_script_to_script (GUnicodeScript script);
-GUnicodeScript
+HB_EXTERN GUnicodeScript
hb_glib_script_from_script (hb_script_t script);
-hb_unicode_funcs_t *
+HB_EXTERN hb_unicode_funcs_t *
hb_glib_get_unicode_funcs (void);
+#if GLIB_CHECK_VERSION(2,31,10)
+HB_EXTERN hb_blob_t *
+hb_glib_blob_create (GBytes *gbytes);
+#endif
HB_END_DECLS