Function - C Programming MCQ Questions and Answers

#define C_IO_HEADER <stdio.h>
#include C_IO_HEADER

#include <stdio.h>
int *p;
int main()
{
    int i = 0;
    p = &i;
    return 0;
}

#include <stdio.h>
void main()
{
    register int x = 0;
    if (x < 2)
    {
        x++;
        main();
    }
}

#include <stdio.h>
void f();
int main()
{
    #define foo(x, y) x / y + x
    f();
}
void f()
{
    printf("%d\n", foo(-3, 3));
}

#include <stdio.h>
void main()
{
    register int x;
    printf("%d", x);
}

#include <stdio.h>
double i;
int main()
{
   printf("%g\n",i);
   return 0;
}