How does a union work in C?

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.

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What are the differences between a struct in C and in C++?

In C structure, all members are public, but in C++, they are private in default. Some other differences are listed below. … Difference between C structures and C++ structures. C StructureC++ StructureStructures in C, cannot have member functions inside structures.Structures in C++ can hold member functions with member variables.Difference between C structures and C++ structures – Tutorialspoint www.tutorialspoint.com › difference-between-c-structures-and-cplusplus-st…

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Is struct used in C++?

In C++, classes and structs are blueprints that are used to create the instance of a class . Structs are used for lightweight objects such as Rectangle, color, Point, etc. Unlike class, structs in C++ are value type than reference type.

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