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c programing

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int main()//assuming that the variable 'i' is not defined in any other file,
{
    extern int i;
    i=10;
    printf("%d",i);
    return 0;
}


A.10  B.0

C.COMPILER ERROR  D.linker error

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It will give linker error.

'extern' will try to access x value outside of main(). But x declared inside main(). So, unable to access it. So, give linker error.
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