_CTYPE_S
#define isspace(c) __sbistype((c), _CTYPE_S)
XLOCALE_ISCTYPE(space, _CTYPE_S)
DEFN_ISWTYPE(space, _CTYPE_S)
_CTYPE_C|_CTYPE_S|_CTYPE_B, \
_CTYPE_C|_CTYPE_S, \
_CTYPE_C|_CTYPE_S, \
_CTYPE_C|_CTYPE_S, \
_CTYPE_C|_CTYPE_S, \
_CTYPE_S|_CTYPE_B|_CTYPE_R, \
{ "space", _CTYPE_S },