C....made easy by Mr. Pramod Shetty 3

main(){
extern int i;
i=20;
printf("%d",i);
}


Answer:

Linker Error : Undefined symbol '_i'

Explanation:

extern int i;


extern storage class ka matlab hota hai ki integer type ka i variable ke liye memory kisi doosri class mein allocate hai jiska address linking ke time par diya jaega. but linker ko aisa kuch koi variable kisi doosre program mein ni mila .thts y error aa ri hai