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GATE | GATE-CS-2005 | Question 32

Consider the following C-program: C
double foo (double); /* Line 1 */

int main()
{

    double da, db;

    // input da

    db = foo(da);

}

double foo(double a)
{
    return a;
}
The above code compiled without any error or warning. If Line 1 is deleted, the above code will show:

(A)

no compile warning or error

(B)

some compiler-warnings not leading to unintended results

(C)

some compiler-warnings due to type-mismatch eventually leading to unintended results

(D)

compiler errors

Answer

Please comment below if you find anything wrong in the above post
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