/* futimes(2) is available */
#cmakedefine HAVE_FUTIMES 1

/* readahead(2) is available (linux) */
#cmakedefine HAVE_READAHEAD 1

/* fdatasync(2) is available */
#cmakedefine HAVE_FDATASYNC 1

/* pread(2) and pwrite(2) are available */
#cmakedefine HAVE_PREADWRITE 1

/* sendfile(2) is available and supported */
#cmakedefine HAVE_SENDFILE 1

/* sync_file_range(2) is available */
#cmakedefine HAVE_SYNC_FILE_RANGE 1