Structure in C Language - Quiz

Which of the following cannot be a structure member?
  • A Another structure
  • B Function
  • C Array
  • D None of the mentioned

What is the output of this C code? 

    #include <stdio.h>
    struct point
    {
        int x;
        int y;
    };
    struct notpoint
    {
        int x;
        int y;
    };
    void foo(struct point);
    int main()
    {
        struct notpoint p1 = {1, 2};
        foo(p1);
    }
    void foo(struct point p)
    {
        printf("%d\n", p.x);
    }

  • A Compile time error
  • B 1
  • C 0
  • D Undefined

What is the output of this C code? 

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

  • A Nothing
  • B Compile time error
  • C Junk
  • D ) 8

User-defined data type can be derived by___________
  • A struct
  • B enum
  • C typedef
  • D all of the mentioned

Presence of code like “s.t.b = 10” indicate
  • A Syntax Error
  • B structure
  • C double data type
  • D An ordinary variable name

What is the output of this C code? 

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

  • A Compile time error
  • B Nothing
  • C Junk values
  • D st st

What is the output of this C code? 

    #include <stdio.h>
    struct point
    {
        int x;
        int y;
    };
    void foo(struct point*);
    int main()
    {
        struct point p1 = {1, 2};
        foo(&p1);
    }
    void foo(struct point *p)
    {
        printf("%d\n", *p.x++);
    }

  • A Compile time error
  • B Segmentation fault/code crash
  • C 2
  • D 1

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);
    }

  • A 3.000000
  • B Compile time error
  • C Undefined behaviour
  • D 1.000000

What is the output of this C code? 

    #include <stdio.h>
    struct point
    {
        int x;
        int y;
    };
    struct notpoint
    {
        int x;
        int y;
    };
    struct point foo();
    int main()
    {
        struct point p = {1};
        struct notpoint p1 = {2, 3};
        p1 = foo();
        printf("%d\n", p1.x);
    }
    struct point foo()
    {
        struct point temp = {1, 2};
        return temp;
    }

  • A Compile time error
  • B 1
  • C 2
  • D Undefined behaviour

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);
    }

  • A Compile time error
  • B 0.000000 10
  • C Somegarbage value 10
  • D 0 10