C Functions Test – 3

1. What will be the output of the following C code?

    #include <stdio.h>
    enum m{JAN, FEB, MAR};
    enum m foo();
    int main()
    {
        enum m i = foo();
        printf("%d\n", i);
    }
    int  foo()
    {
        return JAN;
    } 

2. What will be the output of the following C code?

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

3. What is the default return type if it is not specified in function definition?

4. What will be the output of the following C code?

    #include <stdio.h>
    void m(int k)
    {
        printf("hi");
    }
    void m(double k)
    {
        printf("hello");
    }
    void main()
    {
        m(3);
    } 

5. What will be the output of the following C code?

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

6. What will be the output of the following C code?

    #include <stdio.h>
    int *m();
    void main()
    {
        int k = m();
        printf("%d", k);
    }
    int *m()
    {
        int a[2] = {5, 8};
        return a;
    } 

7. Functions can return structure in C?

8. Functions can return enumeration constants in C?