problem in output

[manishanibhwani]

can anyone tell the output of following code and also explain it

#include<stdio.h>
#include<stdlib.h>

union employee
{
    char name[15];
    int age;
    float salary;
};
const union employee e1;

int main()
{
    strcpy(e1.name, "K");
    printf("%s %d %f", e1.name, e1.age, e1.salary);
    return 0;
}

[I_m_rude]

you can't initialize the const variable after its declaration. Declaraing union as constant has no sense because union is bascially used to make it's use again and again. in line 14, you are making changes in a const variable so which is a error here. thnks.

[manishanibhwani]

sir but it is working

[I_m_rude]

yes, it will work as it is undefined behaviour. you are trying to do a thing which is undefined so it is possible that it may work. thanks