What is a union in C?

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Sandhya

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A union is a user-defined type similar to structures in C except for one key difference. Structures allocate enough space to store all their members, whereas unions can only hold one member value at a time.Unions allow developers to optimize memory usage while declaring variables.
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A union is a user-defined type similar to structures in C except for one key difference. Structures allocate enough space to store all their members, whereasunions can only hold one member value at a time.Unions allow developers to optimize memory usage while declaring variables. read less
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