cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration stdio/renameat.c -o stdio/renameat -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
relibc getrlimit(3, 0x7ffffffffc80): not implemented
relibc getrlimit(3, 0x7ffffffffba0): not implemented
relibc getrlimit(9, 0x7ffffffffb60): not implemented
relibc getrlimit(9, 0x7ffffffffb90): not implemented
relibc getrlimit(5, 0x7ffffffffb90): not implemented
relibc getrlimit(9, 0x7ffffffffb60): not implemented
stdio/renameat.c: In function 'main':
stdio/renameat.c:49:22: error: implicit declaration of function 'openat'; did you mean 'open'? [-Werror=implicit-function-declaration]
   49 |         int src_fd = openat(tmpdir_fd, "a", O_WRONLY | O_CREAT, 0600);
      |                      ^~~~~~
      |                      open
stdio/renameat.c:59:17: error: implicit declaration of function 'unlinkat'; did you mean 'unlink'? [-Werror=implicit-function-declaration]
   59 |                 unlinkat(tmpdir_fd, "a", 0);
      |                 ^~~~~~~~
      |                 unlink
cc1: some warnings being treated as errors