Advantages of Union Union takes less memory space as compared to the structure . Only the largest size data member can be directly accessed while using a union. It is used when you want to use less (same) memory for different data members.
Why union is better than structure in C?
Advantages of Union Union takes less memory space as compared to the structure . Only the largest size data member can be directly accessed while using a union. It is used when you want to use less (same) memory for different data members.