pollution: property
wctype_t wctype_l(const char *property, locale_t __l); 

pollution: desc
wint_t towctrans_l(wint_t __wc, wctrans_t desc, locale_t __l); 

pollution: wct
pollution: nextwctype_l
wint_t nextwctype_l(wint_t __wc, wctype_t wct, locale_t __l);