cc -O2 -pipe -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations wchar/wcsncasecmp_l.c -o wchar/wcsncasecmp_l -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lstdthreads -lcrypt
ld: error: undefined symbol: wcsncasecmp_l
>>> referenced by wcsncasecmp_l.c
>>>               ../out/freebsd/include/wchar/wcsncasecmp_l.o:(foo)
cc: error: linker command failed with exit code 1 (use -v to see invocation)