which of the below statements are true about an union in c?
i. when we know that we are going to use only one of the elements in a give data structure, then its better to use union compared to structure.
ii. In a given data structure I want to store one float, but I want to see and interpret each byte of that float. Then in this scenario I can use union to see each byte.
iii. size of an union is sum of size of all the elements of that union.