cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations unistd/_POSIX_SYNC_IO.c -o unistd/_POSIX_SYNC_IO -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/_POSIX_SYNC_IO.c:4:2: error: #error "_POSIX_SYNC_IO is not defined"
    4 | #error "_POSIX_SYNC_IO is not defined"
      |  ^~~~~