cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations wctype/iswctype_l.c -o wctype/iswctype_l -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
wctype/iswctype_l.c:5:42: error: ‘iswctype_l’ undeclared here (not in a function); did you mean ‘iswctype’?
    5 | int (*foo)(wint_t, wctype_t, locale_t) = iswctype_l;
      |                                          ^~~~~~~~~~
      |                                          iswctype