Q91 What is union in C? Where we use union? July 19, 2015 Gyantoday Most Important Interview Questions In C Leave a comment Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Q90 What is bit field in C?DateJuly 19, 2015In relation toMost Important Interview Questions In CQ55 What is difference and purpose of using exit() and return() in a function?DateJuly 18, 2015In relation toMost Important Interview Questions In CQ63 What is memory leak?DateJuly 19, 2015In relation toMost Important Interview Questions In C