Structure and Union MCQs

In C, can you have a structure as a member of itself (a recursive structure)?

What is the purpose of the offsetof macro in C?

Which keyword is used to create a new name for an existing data type in C?

Find the output of the following program:

void main()
{
   struct xx
   {
      int x=3;
      char name[]="hello";
   };
   struct xx *s;
   printf("%d", s->x);
   printf("%s", s->name);
}

Consider the following code.

struct account{
   int acno;
}svar, *pv = &svar

then the acno can be accessed by

Consider the following declarations:

union id
{
   char color;
   int size;
};
struct{
   char country;
   int date;
   union id id;
}flag;

To assign a color to a flag, the correct statement would be

For the following structure declaration, find the correct statement.

struct person{
   char name[20];
   int  age;
   struct person lady;
};

The restriction with union is

How many union members can be initialized?