Function - C Programming MCQ Questions and Answers

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

#include <stdio.h>
int main()
{
    void foo();
    void f()
    {
        foo();
    }
    f();
}
void foo()
{
    printf("2 ");
}

#include <stdio.h>
void main()
{
    m();
    printf("%d", x);
}
int x;
void m()
{
    x = 4;
}

#include <stdio.h>
int main()
{
    register static int i = 10;
    i = 11;
    printf("%d\n", i);
}

#include <stdio.h>
#include "printf"
void main()
{
    printf("hello");
}

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