_X
#define _ISXDIGIT _X
_N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X,
_N|_X, _N|_X, _P, _P, _P, _P, _P, _P,
_P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U,
_P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L,
_N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X,
_N|_X, _N|_X, _P, _P, _P, _P, _P, _P,
_P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U,
_P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L,
_N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X, _N|_X,
_N|_X, _N|_X, _P, _P, _P, _P, _P, _P,
_P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U,
_P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L,
#define isxdigit(c) ((__ctype + 1)[c] & _X)