ldd(1) - print shared library dependencies
--version
       Print the version number of ldd.
-v --verbose
       Print all information, including e.g. symbol versioning information.
-d --data-relocs
       Perform relocations and report any missing objects (ELF only).
-r --function-relocs
       Perform  relocations  for  both  data  objects  and  functions,  and report any missing objects or
       functions (ELF only).
-u --unused
       Print unused direct dependencies.
--help Usage information.