libc {

  GLIBC_2.0 {

    # functions used in inline functions or macros

    __xstat; __fxstat; __lxstat; __xmknod; __write; __close; __fcntl;

    __lseek; __open; __read;

    # functions used by libstdc++ 2.7.2

    __dup2; __pipe;

    # a*

    access;

    # c*

    chdir; chmod; chown; close; creat;

    # d*

    dup; dup2;

    # e*

    euidaccess;

    # f*

    fchdir; fchmod; fchown; fcntl; flock; fstatfs; fts_children; fts_close;

    fts_open; fts_read; fts_set; ftw;

    # g*

    get_current_dir_name; getcwd; getwd;

    # i*

    isatty;

    # l*

    lchown; link; lockf; lseek;

    # m*

    mkdir; mkfifo;

    # o*

    open;

    # p*

    pipe; poll;

    # r*

    read; readlink; rmdir;

    # s*

    statfs; symlink;

    # t*

    ttyname; ttyname_r;

    # u*

    umask; unlink; utime;

    # w*

    write;

  }

  GLIBC_2.1 {

    # functions used in other libraries

    __xstat64; __fxstat64; __lxstat64; __poll;

    # c*

    creat64;

    # f*

    fstatfs64; fstatvfs; fstatvfs64; ftw64;

    # l*

    lockf64; lseek64;

    # n*

    nftw; nftw64;

    # o*

    open64;

    # s*

    sendfile;

    statfs64; statvfs; statvfs64;

  }

  GLIBC_2.2 {

    # p*

    posix_fadvise; posix_fadvise64; posix_fallocate; posix_fallocate64;

    __open64;

  }

  GLIBC_2.3 {

    # s*

    sendfile64;

  }

  GLIBC_2.3.2 {

    # l*

    lchmod;

  }

  GLIBC_2.3.3 {

    # n*

    nftw; nftw64;

  }

  GLIBC_2.4 {

    eaccess;

    faccessat;

    fchmodat;

    fchownat;

    __fxstatat; __fxstatat64;

    linkat;

    mkdirat; mkfifoat; __xmknodat;

    openat; openat64;

    readlinkat;

    symlinkat;

    unlinkat;

    ppoll;

  }

  GLIBC_2.6 {

    utimensat; futimens;

  }

  GLIBC_2.7 {

    __open_2; __open64_2; __openat_2; __openat64_2;

  }

  GLIBC_2.9 {

    dup3; pipe2;

  }

  GLIBC_2.23 {

    fts64_children; fts64_close; fts64_open; fts64_read; fts64_set;

  }

  GLIBC_2.27 {

    copy_file_range;

  }

  GLIBC_2.28 {

    fcntl64;

    statx;

  }

  GLIBC_PRIVATE {

    __libc_fcntl64;

    __fcntl_nocancel;

    __open64_nocancel;

    __write_nocancel;

  }

}