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C Programming :: Variables & Data Types

8. What will be output of the following "c" code?

void main()
extern int i;

Answer: Option C

Explanation :

extern storage class specifies to the compiler that the memory for "i" is allocated in some other program and that address will be given to the current program at the time of linking.

But linker finds that no other variable of name "i" is available in any other program with memory space allocated for it.

Hence a linker error has occurred .

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