Structures And Unions

[Hetal Patel]

#52600

What Are Structures And Unions?

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[Test]

#52605

Structures:

A structure is a user-defined data type accessible in C that permits to combining data items of various types. Structures are utilized to represent a record.

Defining a structure: To define a structure, you should utilize the struct statement. The struct statement defines a new data type, with more than one member.

The format of the struct statement is as follows:

struct [structure name]
{
member definition;
member definition;
…
member definition;
};

Unions:

A union is a special data type available in C that allows storing 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

Defining a Union: To define a union, you must use the union statement in the same way as you did while defining a structure. The union statement defines a new data type with more than one member for your program.

The format of the union statement is as follows:

union [union name]
{
member definition;
member definition;
…
member definition;
};

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