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Question

What is the output of this program? 
    #include <stdio.h>
    int main ()
    {
        FILE * p;
        long size;
        p = fopen ("test.txt", "rb");
        if (p == NULL) 
            perror ("Error opening file");
        else
        {
            fseek (p, 0, SEEK_END); 
            size = ftell (p);
            fclose (p);
            printf (" %ld\n", size);
        }
        return 0;
    }

a.

10

b.

20

c.

5

d.

Depends upon the file

Posted under Object Oriented Programming Using C++

Answer: (d).Depends upon the file

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