Availability:C-language interface function
int PL_unify_wchars(term_t
+t, int type, size_t len, const pl_wchar_t *s)Unify t with a textual representation of the C wide-character
array s. The type argument defines the Prolog
representation and is one of PL_ATOM, PL_STRING,
PL_CODE_LIST or PL_CHAR_LIST.