perror() popen() posix_fadvise() posix_fallocate() posix_madvise() posix_openpt() posix_spawn() posix_spawnp() posixKEYCTL_SETPERM keyctl (2) operations; • perform madvise (2) MADV_HWPOISON operation; • employ the TIOCSTI ioctlposix_fadvise () posix_fallocate () posix_memalign () posix_madvise () AIO - _POSIX_ASYNCHRONOUS_IO - _SC_ASYNCHRONOUS