cc -pthread   -Wall -Wextra -Werror=implicit-function-declaration dirent/readdir_r.c -o dirent/readdir_r -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt  -lintl -liconv
[cc@relibc::platform::sys:699 INFO] TODO: getrlimit(3, 0x7ffffffffb80): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(3, 0x7ffffffffa90): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(9, 0x7ffffffffa60): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(9, 0x7ffffffffa90): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(5, 0x7ffffffffa90): not implemented
[cc1@relibc::platform::sys:699 INFO] TODO: getrlimit(9, 0x7ffffffffa60): not implemented
dirent/readdir_r.c: In function 'main':
dirent/readdir_r.c:25:27: error: implicit declaration of function 'readdir_r'; did you mean 'readdir'? [-Werror=implicit-function-declaration]
   25 |         while ( !(errno = readdir_r(dir, buffer, &entry)) && entry )
      |                           ^~~~~~~~~
      |                           readdir
cc1: some warnings being treated as errors