Tag: What is union with example in C?

C Union Syntax It is the system reserved keyword used to create and accessing its members . The UName is the name you want to give for this. For example, employees, persons, students. Data_Type means Data type of the variable that you want to declare. For example, int, float, char, etc.

The first one is stored at the beginning of the struct, the second is stored after that, and so on . Unions only allocate enough space to store the largest field listed, and all fields are stored at the same space . Syntax for declaring a union is same as that of declaring a structure except the keyword struct.

We use the union keyword to define unions. Here’s an example: union car { char name[50]; int price; }; The above code defines a derived type union car .

Advertisements. A union is a special data type available in C that allows to store different data types in the same memory location . You can define a union with many members, but only one member can contain a value at any given time. Unions provide an efficient way of using the same memory location for multiple-purpose …