iscntrl, iswcntrl, _iscntrl_l, _iswcntrl_l _isctype, iswctype, _isctype_l, _iswctype_l iscsym, iscsymf __iscsym, __iswcsym, __iscsymf, __iswcsymf, _iscsym_l, _iswcsym_l, _iscsymf_l, _iswcsymf_l isdigit, iswdigit, _isdigit_l, _iswdigit_l isgraph, iswgraph, _isgraph_l...