cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_mman/POSIX_MADV_DONTNEED.c -o sys_mman/POSIX_MADV_DONTNEED -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
sys_mman/POSIX_MADV_DONTNEED.c:3:17: error: 'POSIX_MADV_DONTNEED' undeclared here (not in a function); did you mean 'POSIX_MADV_WONTNEED'?
    3 | int const foo = POSIX_MADV_DONTNEED;
      |                 ^~~~~~~~~~~~~~~~~~~
      |                 POSIX_MADV_WONTNEED