Comment on the following union declaration? #include union temp { int a; float b; char c; }; union temp s = {1,2.5,'A'}; //REF LINE Which member of the union will be active after REF LINE?

C Programming Language Union in C Language

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Q: Comment on the following union declaration?


    #include <stdio.h>
    union temp
    {
        int a;
        float b;
        char c;
    };

union temp s = {1,2.5,'A'}; //REF LINE Which member of the union will be active after REF LINE?

A a
B b
C c
D Such declaration are illegal
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Union is an user defined datatype in C programming language. It is a collection of variables of different datatypes in the same memory location. We can define a union with many members, but at a given point of time only one member can contain a value. Unions can be very handy when you need to talk to peripherals through some memory mapped registers.

Q: Comment on the following union declaration? #include <stdio.h> union temp { int a; float b; char c; }; union temp s = {1,2.5,'A'}; //REF LINE Which member of the union will be active after REF LINE?

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Q: Comment on the following union declaration?
union temp s = {1,2.5,'A'}; //REF LINE Which member of the union will be active after REF LINE?