x: long long signed int with initializer 
  Simple Initializer:     Name: 0

y: function
      accepting unspecified arguments
    returning 
      signed int 
    with body 
      CompoundStmt
                  Expression Statement:
            Applying untyped: 
                Name: ?=?
            ...to: 
                Address of:
                  Name: x
                Name: 0


