Contents:
   Dependency_Walker : DDL dump/view utility
   PathCanonicalize_Function

Dependency_Walker:
   depends.exe is DDL view utility. 

PathCanonicalize Function:
   http://msdn.microsoft.com/en-us/library/bb773569%28VS.85%29.aspx
   The unix equivalent is realpath()

   mysys contains: my_realpath()
   innodb contains os_file_dirname() which just returns the dirname of file.