What will be the output of the following C code?

#include <stdio.h>
void foo(float *);
int main()
{
    int i = 10, *p = &i;
    foo(&i);
}
void foo(float *p)
{
    printf("%f\n", *p);
}

A. 10.000000

B. 0.000000

C. Compile time error

D. Undefined behaviour

Answer: Option B