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Structures And Unions

This thread contains 1 reply, has 2 voices, and was last updated by  Test 10 months, 2 weeks ago.

  • Author Replies
  • #52600

    What Are Structures And Unions?


  •  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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