main()

{

extern i;

printf("%d\n",i);

{

int i=20;

printf("%d\n",i);

}

}



main() { extern i; printf("%d\n",i); { int i=20; ..

Answer / susie

Answer :

Linker Error : Unresolved external symbol i

Explanation:

The identifier i is available in the inner block and so
using extern has no use in resolving it.

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