an exercise in pointers: int foo; int * bar = &foo; int ** baz = &bar;  // (*baz == bar) now evaluates to true
"a common name for a variable used in programming examples or exercises
"an exercise in pointers: int foo; int * bar = &foo; int ** baz = &bar;  // (*baz == bar) now evaluates to true" What is the definition of "baz"?