cc -O2 -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdio/renameat.c -o stdio/renameat -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lintl -lcrypt
stdio/renameat.c:5:52: error: 'renameat' undeclared here (not in a function); did you mean 'rename'?
    5 | int (*foo)(int, const char *, int, const char *) = renameat;
      |                                                    ^~~~~~~~
      |                                                    rename