Structure in C Language - Quiz

Q: Which of the following is not possible under any scenario?

Q: User-defined data type can be derived by___________

Q: What is the output of this C code?

    #include <stdio.h>
    void main()
    {
        struct student
        {
            int no;
            char name[20];
        };
        struct student s;
        s.no = 8;
        printf("%d", s.no);
    }

Q: Number of bytes in memory taken by the below structure is

    #include <stdio.h>
    struct test
    {
        int k;
        char c;
    };

Q: What is the output of this C code?

    #include <stdio.h>
    struct p
    {
        int k;
        char c;
        float f;
    };
    int p = 10;
    int main()
    {
        struct p x = {1, 97};
        printf("%f %d\n", x.f, p);
    }

Q: What is the output of this C code(according to C99 standard)?

    #include <stdio.h>
    struct p
    {
        int k;
        char c;
        float f;
    };
    int main()
    {
        struct p x = {.c = 97, .f = 3, .k = 1};
        printf("%f\n", x.f);
    }

Q: What is the output of this C code(according to C99 standard)?

 #include 
    struct p
    {
        int k;
        char c;
        float f;
    };
    int main()
    {
        struct p x = {.c = 97, .k = 1, 3};
        printf("%f \n", x.f);
    }

Q: What is the output of this C code?

    #include <stdio.h>
    struct point
    {
        int x;
        int y;
    };
    int main()
    {
        struct point p = {1};
        struct point p1 = {1};
        if(p == p1)
            printf("equal\n");
        else
            printf("not equal\n");
    }

Q: What is the output of this C code?

    #include 
    struct student fun(void)
    {
        struct student
        {
            char *name;
        };
        struct student s;
        s.name = "alan";
        return s;
    }
    void main()
    {
        struct student m = fun();
        printf("%s", m.name);
    }

Q: What is the output of this C code?

    #include <stdio.h>
    struct student
    {
        char *name;
    };
    struct student fun(void)
    {
        struct student s;
        s.name = "alan";
        return s;
    }
    void main()
    {
        struct student m = fun();
        printf("%s", m.name);
    }