Function - C Programming MCQ Questions and Answers

#include <stdio.h>
#define COLD
int main()
{
    #ifdef COLD
    printf("COLD\t");
    #undef COLD
    #endif
    #ifdef COLD
    printf("HOT\t");
    #endif
}

#include <stdio.h>
int *m()
{
    int *p = 5;
    return p;
}
void main()
{
    int *k = m();
    printf("%d", k);
}

#include <stdio.h>
#define foo(x, y) x / y + x
int main()
{
    int i = -6, j = 3;
    printf("%d\n",foo(i + j, 3));
    return 0;
}

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

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

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

#include <stdio.h>
void foo();
int main()
{
    void foo(int);
    foo(1);
    return 0;
}
void foo(int i)
{
    printf("2 ");
}

#include <stdio.h>
int func (int a)
{
    int b;
    return b;
}
int main()
{
    int c;
    func (c);
}
int d;