cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations unistd/fchownat.c -o unistd/fchownat -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt 
relibc getrlimit(3, 0x7ffffffffc80): not implemented
relibc getrlimit(3, 0x7ffffffffbb0): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
relibc getrlimit(9, 0x7ffffffffba0): not implemented
relibc getrlimit(5, 0x7ffffffffba0): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
unistd/fchownat.c:5:52: error: 'fchownat' undeclared here (not in a function); did you mean 'fchown'?
    5 | int (*foo)(int, const char *, uid_t, gid_t, int) = fchownat;
      |                                                    ^~~~~~~~
      |                                                    fchown