title: What was the most useful time you used a pointer-to-pointer and/or reference-to-pointer in a c/c++ project?
body: <p>Pointers-to-pointers and references-to-pointers seem overly complicated at first, especially for newbies. What is the best and most useful reason you used one in a c/c++ project you worked on? </p>
  
  <p>This can help people better understand pointers and how to use them effectively.</p>
  
  <p>Edited: Included C as well as C++</p>