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:590 INFO] TODO: getrlimit(3, 0x7ffffffffbf0): not implemented [cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(3, 0x7ffffffffb00): not implemented [cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(9, 0x7ffffffffad0): not implemented [cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(9, 0x7ffffffffb00): not implemented [cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(5, 0x7ffffffffb00): not implemented [cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(9, 0x7ffffffffad0): 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