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Question
main()

   {

	extern int i;

	i=20;

      printf("%d",i);

   }
 Question Submitted By :: C-Code
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Answer :

Linker Error : Undefined symbol '_i'

Explanation:

extern storage class in the following declaration,

extern int i;

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 .
 
Is This Answer Correct ?    25 Yes 3 No
Susie
 

 
 
 
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