(bind-lib libcef cef_string_userfree_wide_free [void,cef_string_userfree_wide_t]*)
(bind-lib libcef cef_string_userfree_utf8_free [void,cef_string_userfree_utf8_t]*)
(bind-lib libcef cef_string_userfree_utf16_free [void,cef_string_userfree_utf16_t]*)
;; default
(bind-func cef_string_userfree_free
  (lambda (str)
    (cef_string_userfree_utf8_free str)))