C Functions Test – 1

1. The value obtained in the function is given back to main by using ________ keyword.

2. Which of the following function declaration is illegal?

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

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

4. Which function definition will run correctly?

5. Can we use a function as a parameter of another function? [Eg: void wow(int func())].

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

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

7. Which of the following is a correct format for declaration of function?

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

    #include <stdio.h>
    void main()
    {
        static int x = 3;
        x++;
        if (x <= 5)
        {
            printf("hi");
            main();
        }
    }