Pause screen at program completion in C

Question

I want to be able to do something along the lines of Press any key to exit at program completion, but have no been able to figure out how to.

When I run

Answer 1

getchar() is the right way to go, but you'll run into problems caused by scanf leaving '\n' in the input buffer - it will return immediately. See Why doesn't getchar() wait for me to press enter after scanf()?