1GLIBC_2.1 __librt_version_placeholder F
2GLIBC_2.2 __librt_version_placeholder F
3GLIBC_2.3 __librt_version_placeholder F
4GLIBC_2.3.3 __librt_version_placeholder F
5GLIBC_2.3.4 __librt_version_placeholder F
6GLIBC_2.4 __librt_version_placeholder F
7GLIBC_2.7 __librt_version_placeholder F
8