clang -O2  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations wchar/wcpncpy.c -o wchar/wcpncpy -D_POSIX_C_SOURCE=202405L  -lm  -lintl
wchar/wcpncpy.c:5:71: error: use of undeclared identifier 'wcpncpy'; did you mean 'wcsncpy'?
wchar_t *(*foo)(wchar_t *restrict, const wchar_t *restrict, size_t) = wcpncpy;
                                                                      ^~~~~~~
                                                                      wcsncpy
/usr/include/wchar.h:118:10: note: 'wcsncpy' declared here
wchar_t *wcsncpy(wchar_t * __restrict , const wchar_t * __restrict, size_t);
         ^
1 error generated.