cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations wchar/wcscoll_l.c -o wchar/wcscoll_l -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
wchar/wcscoll_l.c:5:58: error: ‘wcscoll_l’ undeclared here (not in a function); did you mean ‘wcscoll’?
    5 | int (*foo)(const wchar_t *, const wchar_t *, locale_t) = wcscoll_l;
      |                                                          ^~~~~~~~~
      |                                                          wcscoll