Structure and Union
practice.

For what minimum value of x in a 32-bit Linux OS would make the size of s equal to 8 bytes?

struct temp
{
    int a : 13;
    int b : 8;
    int c : x;
}s;

What will be the output of the following C code?

#include <stdio.h>
struct p
{
    char *name;
    struct p *next;
};
struct p *ptrary[10];
int main()
{
    struct p p, q;
    p.name = "xyz";
    p.next = NULL;
    ptrary[0] = &p;
    strcpy(q.name, p.name);
    ptrary[1] = &q;
    printf("%s\n", ptrary[1]->name);
    return 0;
}

Which of the following cannot be a structure member?

Bit fields can only be declared as part of a structure.

Which of the following reduces the size of a structure?

What will be the output of the following C code?

#include <stdio.h>
struct student
{
    char *c;
};
void main()
{
    struct student n;
    struct student *s = &n;
    (*s).c = "hello";
    printf("%p\n%p\n", s, &n);
}

Which of the following uses structure?

What is the order for the following C declarations?

short a : 17;
int long y : 33;

What will be the output of the following C code?

#include <stdio.h>
union u
{
    struct
    {
        unsigned char x : 2;
        unsigned int y : 2;
    }p;
    int x;
};
int main()
{
    union u u.p = {2};
    printf("%d\n", u.p.x);
}

Presence of loop in a linked list can be tested by . . . . . . . .

What will be the output of the following C code?

#include <stdio.h>
union p
{
    int x;
    char y;
};
int main()
{
    union p p, b;
    p.y = 60;
    b.x = 12;
    printf("%d\n", p.y);
}

What will be the output of the following 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);
}

Which of the following structure declaration will throw an error?

What will be the output of the following C code?

#include <stdio.h>
union u
{
    struct
    {
        unsigned char x : 2;
        unsigned int y : 2;
    }p;
    int x;
};
int main()
{
    union u u;
    u.p.x = 2;
    printf("%d\n", u.p.x);
}

What will be the output of the following C code?

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

Which of the following is false about typedef?

Which function is responsible for recording the name "s" and the replacement text "t" in a table?

The number of distinct nodes the following struct declaration can point to is . . . . . . . .

struct node
{
    struct node *left;
    struct node *centre;
    struct node *right;
};

In the following declaration of bit-fields, the constant-expression specifies . . . . . . . .

struct-declarator:
declarator
type-specifier declarator opt : constant-expression

What will be the output of the following C code?

#include <stdio.h>
struct student
{
    char *c;
};
void main()
{
    struct student s[2];
    printf("%d", sizeof(s));
}