__istype_l
__istype_l(__ct_rune_t __c, unsigned long __f, locale_t __loc);
{ return __istype_l(__c, cat, __l); }
__istype_l(loc, wc, mask)); \
return (__istype_l(uselocale(NULL), c, f));
return (__istype_l(loc, wc, class));