Function - C Programming MCQ Questions and Answers

#include <stdio.h>
int x = 5;
void main()
{
    int x = 3;
    printf("%d", x);
    {
        x = 4;
    }
    printf("%d", x);
}

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

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

#include <stdio.h>
#define MIN 0
#if defined(MIN) + defined(MAX)
#define MAX 10
#endif
int main()
{
    printf("%d %d\n", MAX, MIN);
    return 0;
}

#include <stdio.h>
int foo(int, int);
#define foo(x, y) x / y + x
int main()
{
   int i = -6, j = 3;
   printf("%d ",foo(i + j, 3));
   #undef foo
   printf("%d\n",foo(i + j, 3));
}
int foo(int x, int y)
{
   return x / y + x;
}

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

#include <stdio.h>
int foo();
int main()
{
    int i = foo();
}
foo()
{
    printf("2 ");
    return 2;
}