In a union, at most one of the data members can be active at any time, that is, the value of at most one of the data. Members can be stored in a union at any time. The size of a union is sufficient to contain the largest of its data members. Each data member […]
A union is essentially a structure in which all of the fields overlay each other. At a time only one field can be used. Don’t know what are unions in C? Read: Unions in C Table: Difference between Structure and Unions in C Table: Difference between Structure and Unions in C Join Our Telegram Group
A union is a user defined datatype that also like structure allows to store different datatypes but in union it stores in similar location. In union one member can contain only one value at a time. So, the size of union will be lesser than the size of structure. So, union is more efficient where
