iswalnum_l iswalpha_l iswblank_l iswcntrl_l iswctype_l iswdigit_l iswgraph_l iswlower_l iswprint_l iswpunct_l iswspace_l iswupper_l iswxdigit_l towctrans_l towlower_l towupper_l wctrans_l wctype_l
